bellowvi.吼叫vt.大声喝道n.吼叫声;风箱,鼓风机,鼓风匣子
bellows-type mechanical seal风箱型机械密封
bellows-type expansion joint波纹管补偿器
Bellows type rubber air spring曲囊式橡胶空气弹簧
bellows differential flowmeter膜盒式差动流量计,膜盒式差压流量计,波纹管差压流量计
bellows-operated pilot valve膜盒控制导阀, 膜盒导引阀
Bellows balance type safety valve波纹管平衡式安全阀
bellows type pneumatic suspension气囊式空气悬挂
bellows intercommunicating gangway橡胶折棚通道
Bellows-type gas or orifice meter伸缩式气体孔板流量计
bellows-type pneumatic suspension波纹管式气动悬架装置