?准双曲线齿轮油

... 压缩机机油 compressor oil 准双曲线齿轮油 hypoid gear oil 机油添加剂 oil additive ...

?双曲线齿轮油

... hypoid gear ==> 直角交错轴双曲面齿轮,准双曲面齿轮,准双曲线齿轮,偏轴伞齿轮 hypoid gear oil ==> 双曲线齿轮油 hypoid generator ==> 准双曲面齿轮加工机床 ...