HSK 7-9
Jīqì yùnzhuǎn qián xūyào rùnhuá gège bùjiàn.
All components need to be lubricated before the machine operates.
HSK 7-9
Rùnhuáyóu kěyǐ jiǎnshǎo língjiàn zhījiān de mócā.
Lubricating oil can reduce friction between parts.
HSK 7-9
Zhè zhǒng rùnhuájì shìyòng yú gāowēn huánjìng.
This lubricant is suitable for high-temperature environments.
