PVC双壁波纹管
double partition PVC wave veins plastic pipe
U型多层金属波纹管
u-form multilager metallic bellows
奥氏体不锈钢波纹管
austenite stainless steel bellows
波纹管补偿器
bellows type expansion joint
corrugated pipe compensator
bellows compensator
bellows compersator
Corrugated-pipe Compensator
bellow expansion joint
Compensators
Corrugated-tube compensator
corrugativus compensator
波纹管差动压力计
bellows differential gauge
波纹管隔离阀
bellows(-sealed) isolating valve
波纹管隔膜
corrugated pipe diaphragm
波纹管换热器
corrugated pipe heat exchanger
bellows heat exchanger
corrugated tube heat exchanger
bellows hear exchanger