它直接影响流程的顺畅与稳定，其中泵类过流材料、密封形式、联轴器的选择尤为关键。
It directly affects the smooth and stability. particularly crucial of all, is the selection of materials for flow, seal form and shaft coupling.
它直接影响流程的顺畅与稳定，其中泵类过流材料、密封形式、联轴器的选择尤为关键。
It directly affects the smooth and stability. particularly crucial of all, is the selection of materials for flow, seal form and shaft coupling.
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