The shells are secured by means of bearing caps and studs, the necessary clearance being provided by means of （） of different thickness.<br>A:shims<br>B:packing<br>C:glands<br>D:washers

The 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:washers

出自：海船船员证

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