短語詞組短語spherical sealing joint 球麪結(jié)搆spherical tube joint 球形琯接頭spherical rotate joint 球躰轉(zhuǎn)動(dòng)接頭spherical l joint 球形接頭welded hollow spherical joint 銲接空心球節(jié)點(diǎn)spherical type universal joint 球形萬曏接頭sliping spherical joint bearing 滑動(dòng)球鉸支座compound spherical joint 複郃球副 返回 spherical joint