straight spur gear-on-gear pump的意思|示意
美 / /
英 / /
直齿轮齿轮泵
straight spur gear-on-gear pump的网络常见释义
蓄水泵 ... A spur-of-the-moment idea 心血来潮的主意 straight spur gear-on-gear pump 蓄水泵 spur-gear-operated valve 正齿轮驱动阀 ...