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无油润滑 wúyóu rùnhuá
plast. built-in lubrication
space oil-free lubrication
汽缸的无油润滑 wúyóu rùnhuá
chem. oil-free lubrication
无油 润 滑
: 22 phrases in 8 subjects
Automobiles2
Chemistry1
Compressors1
Electronics1
Oil / petroleum2
Shipbuilding2
Technology12
Textile industry1