词典释义：
部分
Oil pump speed regulation technology and the general principle for speed regulator slection are intro-duced.
介绍了油泵调速调节技术和选择油泵调速装置的一般原则。
Oil pump speed regulation technology and the general principle for speed regulator slection are intro - duced.
介绍了油泵调速调节技术和选择油泵调速装置的一般原则.
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