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吸入管路截面积必须大于或等于泵流道断面积。
The sectional area of the suction pipeline is no less than pump flowing channel's.
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气体由系统入口法兰通过吸气管路吸入。
Air will be absorbed from system entrance flange by draw air pipe.
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气体由系统入口法兰通过吸气管路吸入。
Air will be absorbed from system entrance flange by draw air pipe.
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