泵级管 tail pipe ; tail pipe west bank
前级泵 [机] backing pump ; forepump ; Former pump ; backing pumpe
单级泵 [机] Single-stage pump ; single pump ; simple pump
多级离心泵 multistage centrifugal pump ; segmental type pump ; multiple-stage centrifugal pump ; barrel-type pump
多级喷射泵 multistage jet pump
导流壳式多级泵 pump with bowl-type vaned casing ; umwith bowl-an ; pumwith cyclic electromagnetic drive ; pumwith bowl-aned casing
双级泵 double-stage pump
整个试验台架由泵级部分、吸入部分、排出部分和数据采集部分组成。
The whole test stand is mainly made of pump stage part, intake part, discharge part and data acquisition part.
分析了一级泵系统实现变流量运行的可行性，并通过实例说明了其显著的节能效果。
Analyses and confirms the practicability of variable water flow operation for the primary pump system, and illustrates its obvious energy saving effects.
结论：盐酸氨溴索渗透泵控释片释药稳定，零级释药明显，具备优良控释制剂的特征。
Conclusions: The ambroxol HCl osmotic pump controlled release tablets have a stable release curve and conform to zero release order.
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