conversion rod变换杆
conversionn.转变;换算
conversion dictionary转换字典
conversion resistance转型阻力
conversion of cheques侵占支票的行为
conversion of biomass生物质转化
conversion operations转换操作
conversion of monomer单体转化
conversion power gain转换功率增益
conversion equivalent换算当量
conversion of methane甲烷转化
conversion of concept转变观念