The shells are secured by means of bearing caps and studs the necessary clearance being provided by means of () of different thickness.
时间:2020-08-13 22:01:28 关键词:of,means,capsThe shells are secured by means of bearing caps and studs, the necessary clearance being provided by means of () of different thickness.
A.shims
B.packing
C.glands
D.washer
答案解析
A
举一反三