According to the problems of present direct flushing and indirect flushing transfer operation a design for rapid direct flushing and indirect flushing transfer manifold is pot forward.
根据现有正反循环洗井转换操作中出现的问题，提出了正反循环洗井快速转换管汇的设计方案。
The utility model provides a novel flushing method for a direct drainage closestool flusher in sitting type and squatting type closestools.
本实用新型为坐式和蹲式马桶中的直排式马桶提供了一种新式冲洗方式。
It is believed that priority is given to reverse direction drive in the case that it may be driven in ether direct or reverse direction, especially under large water flushing conditions.
并认为在斜井既可正掘又可反掘的条件下，尤其是在涌水量较大的情况下应优先考虑反掘方案。
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