片语
union joint west bank管子接头
union n joint连接头
handy union joint快速接头
threaded union rubber joint螺纹活接头
flat union joint平面连接
union of intervertebral joint椎体间关节融合
cappel钢僳环头;(连接提升容器和钢丝绳的)接头
straight union joint直管活接头
adapter connector连接器;接头;连接器接头
elbow union joint弯管连接头