Management and control of cleaning operations in drains and sewers - part 1 : sewer cleaning ; german version en 14654 - 1 : 2005 排水沟和下水道清洁工作的管理和控制.第1部分:下水道
The gentleman tore the paper up into many little pieces and with an irate gesture hurled them into the gutter 这位先生将那张纸撕成了无数的小碎片，愤然地把它们扔进了排水沟。
To prevent the site accumulated water after rain , strengthen the maintenance of site drainage and opening up in time 为防止雨后现场积水,必须加强对现场排水沟的维护工作,及时疏通
Clean your gutters regularly . dry leaves and evergreen needles in rain gutters can easily catch fire 定期清洁你的排水沟。在雨中排水沟堆积的乾的叶子和常绿植物针叶会很轻易地著火。
Standard specification for resilient connectors between reinforced concrete manhole structures , pipes , and laterals metric 钢筋混凝土制检查孔污水管和横向排水沟间弹性接头的标准规范
Gully tops and manhole tops for vehicular and pedestrian areas - design requirements , type testing , marking , quality control 车辆和行人道区域的排水沟盖和人孔盖.设计要求型号试验标志质量控制
To cut a hole thro my new fortification like a sink to let the water go out , which would else have drown d my cave 这就是在围墙脚下开一个洞，像一条排水沟，这样就可把水放出去，以免把山洞淹没。
Standard for safety for hand - held motor - operated electric tools - safety - part 2 - 21 : particular requirements for drain cleaners 手持式电动工具的安全标准.安全.第2 - 21部分:排水沟清理机的特殊要求
Household and similar electrical appliances - safety - part 2 - 83 : particular requirements for heated gullies for roof drainage 家用和类似用途电器的安全.第2 - 83部分:屋顶排水用加热排水沟的特殊要求
