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曲柄箱 qūbǐngxiāng
dril. crank case
met. crankcase
oil crank box
tech. crank chamber; sump
曲柄〔轴〕箱
transp. crank chamber
曲柄 箱
: 22 phrases in 6 subjects
Compressors3
Nautical1
Oil / petroleum2
Shipbuilding3
Technology11
Wind Energy2