短語詞組短語Circular corrugated groove guides 圓形波紋槽波導(dǎo)circular corrugated groove guide 圓形波紋槽波導(dǎo)circular head groove 圓頭槽螺栓circular -groove-face flange 環(huán)槽麪法蘭truncated circular -groove guide 截斷圓形槽波導(dǎo)circular groove crack test 圓槽抗裂試騐 返回 circular groove