短語(yǔ)詞組短語(yǔ)bellows s expansion joint 波形膨脹節(jié)bellows type expansion joint 波紋管補(bǔ)償器metal bellows -expansion joint 金屬波紋管膨脹節(jié)large bellows expansion joint 大型波紋管膨脹節(jié)universal bellows expansion joint 通用膜盒膨脹接頭metal bellows expansion joint 金屬波紋管膨脹節(jié)bellows type expansion pipe joint 波紋式膨脹接頭bellows type metal expansion joint 金屬波紋膨脹節(jié)constrained -bellows expansion joint 限位波形膨脹節(jié) 返回 bellows expansion joint