vertical double suction three-screw pump
双吸离心泵 double suction centrifugal pump 双吸立式三螺杆泵 vertical double suction three-screw pump 双吸排水泵 double-suction wet-pit pump ..
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vertical double suction three-screw pump
立式双吸三螺杆泵
以上为机器翻译结果，长、整句建议使用 人工翻译 。