求翻译：本实用新型涉及一种立式输液泵，它由泵体部件、泵轴部件、中间导座部件、出水口部件、联轴器部件、轴座部件等组成，其特征在于：在中间导座部件的下部设有数组泵体部件；在中间导座部件的上部设有出水口部件，由于中导座部件的长度可根据需要而设置，并与数组泵体部件相配合，从而大大提高了扬程范围；由于最下端一级泵体部件安装于最低水位线以下，启动前不需灌水，从而方便了操作。是什么意思？

The utility model involves a vertical infusion pump, pump parts, shaft components, intermediate conductance components, and outlet components, the composition of the coupling parts, axle seats parts, characterized in that the guide seat parts: in the middle the lower part has an array of pump compon

This practical new type involves a vertical pump, it is pump parts, pump parts, intermediate guide the parts, the water outlet, the coupling assembly parts, etc. , the shaft and its characteristics is that, in the middle part of the export department has several group pump parts, import the parts in

This practical new involved a vertical infusion pump, it by pump body parts, and pump axis parts, and middle guide seat parts, and water mouth parts, and coupling parts, and axis seat parts, composition, its features is: in Middle guide seat parts of lower has array pump body parts; in Middle guide