... downstream sand injector 泵后加砂装置 downstream unit 下游装置 downstream valve 下游阀 ...
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DSPU DownStream Physical Unit 下游物理单元
DPU Downstream Physical Unit 下游物理部件
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Materials can be discharged equably and continuously to the downstream unit according to the conveying system requirements.
可以按照输送系统的要求均匀地、连续不断地向下游卸料。
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