短語(yǔ)詞組短語(yǔ)straight bore collimator 直孔型準(zhǔn)直器;釋義直孔型準(zhǔn)直器straight bore series 圓柱孔系列Straight bore bearing mounting 圓柱孔軸承安裝straight bore mozzle tip 直膛水栓噴霧 返回 straight bore