“pneumatic tank switcher”的概念、定义、翻译、参考文献-科学参考

单词	pneumatic tank switcher
释义	pneumatic tank switcher [nu̇`mad·ik `taŋk ´swich·ǝr] ^{PETROLEUM ENGINEERING} Pneumatic actuated valving system for oil-field tanks to shut off crude-oil flow to a filled tank and then to direct incoming crude flow to the next available empty tank.
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