Use: Used as the additives of powder metallurgy ands surface coating materials such as hot spraying.
用途: 用于粉末冶金添加剂和热喷涂等表面涂层材料.
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Danger due to oil draining out and spraying when the engine is hot!
发动机是热的时,排空或喷出机油存在危险!
provided by jukuu
阐述了将DZL型热水锅炉锅筒排污管改为吸污引射两用管的具体方法,此方法能有效地预防锅筒底部水渣沉积和锅筒鼓包、破裂等问题的发生。
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