These results can be used to choose the pump type and the pump mounting height.
这些结果可作为实际工作中选择泵机类型及其安装高度的参考。
The height for mounting-dismounting workpiece is lower, so a hoisting device not need.
工件装卸高度低，不需吊装设备。
The height for mounting-dismounting workpiece is lower, so a hoisting device not need.
工件装卸高度低，不需吊装设备。
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