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2.gangway ladder;
舷梯收藏指正
3.bellows valve
波纹管阀收藏指正
4.work the bellows;
拉风箱收藏指正
5.We had intercommunicating rooms.
我们的房间是通间.收藏指正
6.Torsional Stiffness of Bellows
波纹管抗扭刚度的计算收藏指正
7.A bear/bull bellows.
熊／公牛吼叫。收藏指正
8.LIMIT ANALYSIS OF BELLOWS
C形波纹管的极限分析收藏指正
9.Development and Application of Bellows
波纹管的发展与应用收藏指正
10.Gangway roller to be repaired.
舷梯滚轮需修理。收藏指正