短語(yǔ)詞組短語(yǔ)telescopic expansion joint 套筒型伸縮琯接頭Stainless Steel Telescopic Joint 不鏽鋼伸縮節(jié);金屬伸縮節(jié)stainle steel telescopic joint 金屬伸縮節(jié) 返回 telescopic joint