reciprocating main motion中文,reciprocating main motion的意思,reciprocating main motion翻译及用法 2025-11-24 21:01 浏览次数 15 reciprocating main motion英[riˈsiprəkeitiŋ mein ˈməuʃən]美[rɪˈsɪprəˌketɪŋ men ˈmoʃən]往复主运动