bellowvi.吼叫vt.大声喝道n.吼叫声；风箱，鼓风机，鼓风匣子bellows-type meter膜盒式仪表,波纹管式计量计bellows-framed door摺扇门bellow optimum design波纹管优化设计bellow cross parallel[机] 蛇骨型架bellows type detector折箱式检测器bellow type regulator波纹管式调节器bellows pressure gauge波纹管压力表bellows type manometer皱纹管式压力计bellows-sealed valve波纹管式密封阀bellow expansion joint波形膨胀接头