The main bearing shells are made of steel with a lining of bearing metal which may be white metal copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?()
时间:2020-08-13 20:41:08 关键词:metal,lining,withThe main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?()
A.main bearing shells
B.main bearing
C.steel
D.bearing metal
答案解析
D
举一反三