短語(yǔ)詞組短語(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 chain conveyer screw 輸送螺鏇endless chain conveyer tangent screw 微調(diào)蝸桿螺釘 返回 endless screw