reciprocating main motion中文,reciprocating main motion的意思,reciprocating main motion翻译及用法 2026-03-22 05:36 浏览次数 21 reciprocating main motion英[riˈsiprəkeitiŋ mein ˈməuʃən]美[rɪˈsɪprəˌketɪŋ men ˈmoʃən]往复主运动