“positive displacement pump”的概念、定义、翻译、参考文献-科学参考

单词	positive displacement pump
释义	positive displacement pump Encyclopedia 工学容积泵释 positive displacement pump容积泵依靠活塞、柱塞、隔膜、齿轮或叶片等工作件在泵体内做往复运动或回转运动，使泵体内若干个工作腔的容积周期性变化，而交替地吸入和排出液体的一种泵。
随便看	orbit elements orbit equivalence orbiter orbit growth orbit improvement orbit inclination Orbiting Astronomical Observatory orbiting collision orbiting exploration Orbiting Geophysical Observatory orbiting geophysical observatory Orbiting Geophysical Observatory satellite Orbiting Satellite Carrying Amateur Radio Orbiting Solar Observatory orbiting solar observatory Orbiting Solar Observatory satellite orbiting telescope Orbiting Vehicle Orbiting Wide-angle Light Collectors orbit keeping orbit lifetime orbit method orbit modification in transfer orbit orbitocranium orbit of a group

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