12. To avoid water damage or scalding due to valve operation, a drainpipe must be connected to the Pressure Safety Relief Valve and run to a safe place of disposal.
13. The drainpipe jointing material of cement mortar with addition of water glass can effectively overcome the influence of groundwater and improve the quality of the joints.
在水泥砂浆中掺入水玻璃作为排水管的接口材料，能有效克服地下水影响，提高了接口工程质量。
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14. Waste draining pipe, offlet or drainpipe 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。
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15. The utility model provides a filtering device for a steam trap which has the functions of a flush filter screen and the condensation water drainpipe bypass of steam equipment.
本实用新型提供了一种具有冲洗过滤网及用汽设备凝结水排放管旁路功能的疏水阀过滤装置。
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16. Michael tells his brother that he found their access to the infirmary building, but he'll need extra time to find out how they'll get up a twenty foot vertical drain pipe without a ladder.
17. The invention provides a drainpipe comprising a main pipe, wherein installing parts are arranged at both ends of the main pipe and a spiral rib is arranged on the pipe wall of the main pipe.
本发明提供一种排水管。所述排水管包括一个主管，所述主管两端设有安装部，所述主管的管壁上设有螺旋筋。
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18. Water supply pipes are arranged on the slots, and the other end of a drain pipe arranged at the lower part of a larger slot is provided with a spray head arranged in the outlet of the discharge flue.
槽上各设一根上水管，大槽下部所设的排水管另一端设有喷头并置于出口烟道内。
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19. Pour a quart of warm water down basement drain so it fills the pipe and prevents sewer gases from seeping into your home.
往地下室下水道注入1夸脱的温水，这样做可以保证水管里面充满水，并防止下水道的沼气渗透到房子里。
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20. Once the water is shut off inside, go outside and open the outside taps as well. This will drain any water remaining in the pipe or in the tap, so there's nothing to freeze.
21. When the Kelveys were well out of sight of Burnells', they sat down to rest on a big red drain-pipe by the side of the road.
凯尔维姐妹俩一直跑到看不见耐尔家才停了下来，她们跌坐在路边红色的大水管上休息着。
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22. He gave up all idea of climbing by means of the drain-pipe, and crawled along the wall to get back into the Rue Polonceau.
他放弃了爬水管的念头，爬在地上，沿着墙根，又回到了波隆梭街。
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23. Drain line: the hydraulic components leaked oil into the return pipe or tank.
泄油管路：将液压元件泄露的油液导入回油管或油箱。
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24. Fifth, the use of heparin saline wash pipe when the pipe to the air while the drain.
第五、在使用肝素生理盐水洗涤管路的时候，要同时把管路里的空气排掉。
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25. First you must drain the dirty water out and then clean the pipe.
你必须先让污水排出去，然后再清洗管道。
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26. Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing.
该领域过去的研究表明，一般说来，地面以上的排水系统能通过减小管道直径而受益，从而改进排水的自清理。
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27. Currently accepted use most is the PPR pipe, plastic pipes, such as aluminum composite pipedrain is PVC pipe.
目前公认使用最多的供水管是PPR管、塑铝复合管等，排水管是PVC管。
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28. Most washer drain hoses hook over the side of a sink or into a pipe especially for that purpose.
最洗衣机排水软管钩超过一侧的一个水槽或成为一个管道，特别是用于这一目的。
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29. Most washer drain hoses hook over the side of a sink or into a pipe especially for that purpose.
