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1·Because of the special operating conditions of the charging pump, its structure and performance are different from those of centrifugal pumps in common use.

由于灌注泵特定的工作条件，其结构和性能不同于一般用途的离心泵。

2·The inflation room provides such protection equipment as mobile air charging pump stationary high-power charging pump mobile gas supply device and spare gas cylinder.

充气间设置移动式空气填充泵、大功率固定式填充泵、移动供气装置、备用气瓶等防护设备。

3·The crystallizer consists of a cylinder which is of big top and small bottom, a focus charging cylinder, an axial flow pump and a circulating tube.

该反应结晶器由上大下小的圆筒、中心加料筒、轴流泵和循环管组成。