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,with

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?()

A.main bearing shells

B.main bearing

C.steel

D.bearing metal

答案解析

D