词语jack screw
解释千斤顶螺杆,起重螺杆
词性名词
jack screw〔名词〕螺旋千斤顶,起重螺丝,支柱螺丝详细»
jack screw〔名词〕螺旋千斤顶详细»
jack screw起重螺杆,螺旋正牙器详细»
jack screw螺旋起重器详细»