基本解釋鐘形螺釘；絲錐接套詞組短語(yǔ)短語(yǔ)dumb -Bell screw curl 持啞鈴彎舉screw bell 鉆桿打撈器bell screw更多詞組專(zhuān)業(yè)釋義能源科學(xué)技術(shù)鐘形螺釘