A main bearing consists of two shells which are secured by means of studs and （）.
举一反三
- The shells are secured by means of bearing caps and studs， the necessary clearance being provided by means of （） of different thickness.
- 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?（）
- ______ means that language is a system, which consists of two sets of structures, or two level.
- The external circumference of a pair of main bearing shells is slightly （） that of the bore of the housing which receives them Whats the meaning of “that” in the sentence above？
- The main bearing shells often have a thin （） of lead or indium to provide a layer giving protection against corrosion.