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油封 yóufēng
gen. oil tight; conservation
agric. oiltight
auto. hydraulic seal; sealing
avia. oil sealing
compr. oil retainer
mech.eng. gasket
met. oil-seal
oil oil-tightening; oil blanket
skydive. canning
tech. grease packing; grease seal; liquid seal; oil-tight
wind. oil seal
油]封
space liquid seal
gen. oil-seal
auto. grease seal
油封装置 yóufēng
auto. oil tightening
油封〔密〕 yóufēng
gen. oiltight
油封指动态密封 yóufēng
auto. oil seal
油封
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