基本解釋[機械工程]導(dǎo)程凸輪詞組短語短語variable lead cylindrical cam 變導(dǎo)程圓柱凸輪modified lead cam [機]修正導(dǎo)程凸輪lead cam更多詞組專業(yè)釋義機械工程導(dǎo)程凸輪