old drainage pipe net.
旧排水管网
plastic drainage pipe.
塑料排水管材
syphonic drainage pipe.
虹吸雨水管
drainage with down pipe.
水落管外排水
underearth drainage pipe.
埋地排水管
water trap drainage pipe.
水盘排水管
Road to the drainage pipe.
给排水管道
civil drainage pipe system.
排水管道工程
open joint tile drainage pipe
不嵌接头缝的陶土排水管
What you need to know about drainage pipe maintenance
排水管维修话你知
Thinking about nature falls and drainage with down pipe
关于自然落水与水落管外排水的思考
No narrow pipe runs that will restrict gravity drainage.
是不是确保狭窄的管子将不限制物料因重力而进行的卸料。
Leak Analysis of Drainage Pipe for Outward Floating Roof Tank
外浮顶储罐排水管的泄漏分析及选用
Study on Corrosion of Aerobes in Sewage to Concrete Drainage Pipe
污水中好氧菌对混凝土排污管管壁腐蚀的研究
Experimental Study on Turbellarian Pipe Drainage Sandbox Mould Grit Chamber
涡管排砂箱型沉砂池的试验研究
Never pipe the discharge line directly into a drainage ditch, sewer or sump.
不要把排泄管直接插入排泄地漏、污水管或污水坑里。
Thin wall centrifugal drainage iron pipe is a kind lr good performance pipe.
薄壁离心铸铁排水管是一种具有良好性能的铸铁管件。
A Construction Technology of Dragging Method for Polyethylene Pipe in Drainage Works
排水工程聚乙烯管的拖拉施工工艺
Technical specification for flexible joint cast iron pipe system of building drainage
建筑排水柔性接口铸铁管管道工程技术规程
Captured in a drainage pipe like a sewer rat. Man, when some people fall, they fall hard.
藏进下水道像一只老鼠, 同志们, 爬得越高跌的越惨啊。
The Study on Moving Velocity of Solids in Horizontal Pipe of Drainage System in Buildings
建筑排水横管中固体物移动速度的研究
Manufacture Large Diameter R. C. Drainage Pipe with Roller Suspension New Process to Save Energy.
节能型悬辊法生产大口径钢筋混凝土排水管？
The Characteristics and The Choosing Principle of New Type Water Supply and Drainage Pipe Material
新型给水排水管材的特点及其选用原则
A bilayer connecting pipe fitting with a soft inner layer relates to a connector of drainage pipe.
具有软内层的双层连接管件，它涉及排水管的连接件。
Probe into methods of flushing well on drainage precipitation pipe well in yuanbaoshan Opencut coal mine
元宝山露天煤矿疏干降水管井洗井方法探讨
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