reciprocating main motion中文,reciprocating main motion的意思,reciprocating main motion翻译及用法 2026-06-27 01:47 浏览次数 30 reciprocating main motion英[riˈsiprəkeitiŋ mein ˈməuʃən]美[rɪˈsɪprəˌketɪŋ men ˈmoʃən]往复主运动