bellowvi.吼叫vt.大声喝道n.吼叫声;风箱,鼓风机,鼓风匣子
bellows in series串联式波纹管
bellows seal glob波纹管截止阀
bellows blow pipe风箱吹管
bellows manometer膜盒式压力计,波纹管压力计
bellows gas meter膜盒式气量计
bellows-contact[电] 吊钟接触
bellows diaphragm囊形膜板
bellows stretcher皮腔式延伸器
bellow the answer大声地回答
bellows flowmeter波纹管式流量计,膜盒式流量计,膜盒式量计