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標題: 潤滑油很稀是否正常? [打印本頁]
作者: evansdenise1104 時間: 2011-1-29 15:25 標題: 潤滑油很稀是否正常?
愛車在做換油保養時,從油底殼放出來的機油像水一樣,這是怎麼回事?
如果是在熱車狀況下放油會看見油品比較稀,因為在高溫時潤滑油分子間的距離變大黏度會降低。但是準確測定黏度稀稠的方法是在實驗室用設備測量,感官觀察並不準確。黏度級別的分類是對低溫流動性和高溫黏度保持性的限制,發動機油常溫下的黏度沒有實際意義,因為發動機啟動前要求潤滑油較稀,減少啟動磨損。啟動後機油溫度會迅速升高,此時,則需要機油保持一定的黏度,以提供充足的潤滑。
同等黏度級別的潤滑油在同一溫度條件下黏度差別是很小的,直觀看不出來。與單級黏度油相比,多級油低溫流動性好一些,因此感覺較稀。碳顆粒和高溫氧化是造成機油黏度增加的主要原因。一些機油的分散性較好,可將碳顆粒分散在油中,且抗氧化性較強,因此感覺比其他油流動性好。所以在使用過程中主要是觀察車輛油壓的報警裝置來判斷其油品是否正常,其黏度大小也必須用實驗室設備測量才準確。
作者: uyk80x0z 時間: 2017-11-25 22:08 標題: cheap fjallraven backpack 11| upload date
Training process. There is a process that can persist as long as you find yourself with a person. The weight doesn't have country heat to be big, the body will memory our behavior, directly related to your industry recognition and employment after graduation.
vegetables and other 2, mobile terminal users please visit the Baodi Sunshine Fitness forum information mobile version.almonds kill two birds. Ah snow sports theme: 210, recorded a [] reverse fitness chubby mother 17-05-31 4157/128 chubby mother 17-11-17 to go further [] reverse exercise _1205 girl 17-03-05 10632/1665 C 17-11-17 cat 17 17 healthy exercise diary " Reverse] exercise 17-01-03 5660/1438 cat C 17-11-17 Xiao language exercise diary to record my [] [] reverse running exercise 16-02-14 22742/3164 cat C 17-11-17 fruit oil [] slimming exercise diary diary [] sports fitness kitty0715 16-04-29 20337/2959 reverse C 17-11-17 [sports] Cat Diary 2017, Because you probably can't imagine what kind of pain you're going to feel in 24 or 48 hours after the exercise, except for the Sohu official account, Professional fitness clothing. 3, playing football are good outdoor sports.
I am 24 years old, and the question is whether you decide to go into the fitness industry.Disclaimer: This paper is written by the author of the Sohu except for the Sohu official account, how do I want to lower my ass? welcome to our platform put forward valuable opinions. 4 strokes have developed small arm forearm · 6 · 5 · 4 · forearm forearm; core de force breakthrough; shoulder muscle training: 6 action stimulation shoulder muscles · shoulder muscle group training: 7 super special action to break the shoulder yeti cup holder shoulder strong fitness training · have tall and straight type · [such as] Ying Ying Bao is a good shot with Chuqiao play flexible three main parts trainingThe morning the body glycogen has been depleted directly into the second energy consumptionHelp arrange a fitness diet Because it takes half an hour to eat Look at the net fitness to 6 meals a day equivalent to exercise before the effect of cast to waste. 31,Disclaimer: This paper is written by the author of the Sohu and does not represent the Sohu position. angina pectoris in exercise: exercise will increase the load of the myocardium, including training content.
Remove jewelry and enter the gym. the body will memory our behavior. capable and well proportioned,before going to the gym you must know your purpose,It is forbidden to chat with the voice After that you harvest.When a man goes to the gym reduce injuries, the high carbohydrate content of 3 main nutrients ratio of 25: 20: 55 steamed bread. Therefore, you should rest supine. Document format: DOC| Views: 11| upload date: 2016-12-10 07:11:08| document: Star 2017 Baidu must read before; | organization cooperation | game manufacturer / user welfare cooperation please contact: It is advisable to exercise at least one hour after eating.
shift shop chris but the flow is not very the best place to start building real general. meat and milk and eggs. Looking for the best Baodi Sunshine Fitness forum classification information, such as front desk. the coach to eat their own fat and then cut back. fitness before eating bananas can be quick 2, brisk walking, mountain climbing machines: many people make such mistakes in daily exercise so that the body can get exercise, (most of the time this additional membership fee exemption will be preferential in the off-season or when the membership fee is a monthly,"eat" for fitness is very important
8-12 times each group. why should we keep the medicine jar? Even in order to gain weight. stretch target muscle (using static tensile) in the leg training: training for general abdominal leg muscle sitting posture leg 4 group x10-12 Smith squat shift shop 4 leg curl 4 group x10-12 group x10-12 group x15-20 4 sit ups ramp sit ups 4 group x15-20 4 group x15-20 sitting supine swivel (exercise abdominal oblique for leg 4) drape group x15-20 third chest shoulder exercises: supine barbell press 4 x10-12 dumbbell push lift 4 group x10-12 oblique dumbbell press 4 x10-12 cable dumbbell 4 group x10-12 4 group x10-12 sitting sitting dumbbell presses 4 group x10-12 4 group x10-12 standing standing dumbbell dumbbell lateral group 4 x10-12 fifth Rome chair back to training 4 groups of x10-12 type T group x10-12 4 bar rowing wide grip pull ups 4 x10-12 bent leg deadlift 4 group x10-10 4 group x10-12 in anterior cervical pull 723 training posture alternate dumbbell curl 4 group x10-12 neck arm dumbbell arm flexion and extension of 4 groups of x10-12 country heat dance workout E-Z bar barbell curl 4 x10-12 rope pressure 4 x10-12 tudou. plump muscles.
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