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油码头囤船上安装的螺杆泵,在抽卸油驳舱底原油时产生强烈噪音和振动,采用变频调速后,使噪音和振动降低,基本达到了标准要求。
The screw pump installed on the oil terminal stores a strong noise and vibration when pumping off the crude oil at the bilge bottom. After adopting frequency conversion speed regulation, the noise and vibration are reduced, basically meeting the standard requirements.