main waste pipe
常见例句
- The paper summarized the main vocation related to the mercury in the municipality waste water pipe, such as medical institution, manufacturing of wiring and equipment.
城市污水管网中的涉汞行业，主要包括医疗机构、电器设备及器材制造业、化学原料及化学制品制造业、印刷行业等。 - Waste draining pipe, offlet or drain pipe should be connected to the main pipe; each pipe should connect two valves with the most possible short valve-to-valve pipe length.
排污管、放水管或疏水管应分别连接到各自的总管上，每管均应串接两个阀门，两阀门间的管段应尽量缩短。 返回 main waste pipe