基本解釋蝸桿；無(wú)止螺鏇；螺鏇桿詞組短語(yǔ)短語(yǔ)endless tangent screw sextant 無(wú)限正切螺絲型六分儀;[水運(yùn)]微調(diào)螺桿六分儀endless tangent screw [水運(yùn)]微調(diào)蝸桿螺釘endless s screw 蝸桿elevating endless screw 陞降蝸桿endless screw worm 蝸桿endless screw更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)蝸桿