aLED隧道灯,LED投光灯,LED景观灯,进口芯片,性能稳定 The LED tunnel lamp, the LED projecting light, the LED scenery views the lanterns, import chip, performance stable [translate] adrainage pipe in floor DN100 排水设备管子在地板DN100 [translate] ...
PURPOSE: To prevent stagnation of drainage and easily and accurately produce drain pipes, by providing spiral grooves in the inner wall face of pipe in a specified angle against the axial line of pipe. ;CONSTITUTION: Ribs 52 with a specified spiral pitch are provided in the spiral part 5a ...
aA perforated drainage pipe installed with perforations set downward in a bed of gravel that allows water drainage. These pipes are usually made of PVC or vitreous clay. 一个穿孔的排水设备管子安装以穿孔在允许水排水设备石渣的床设置了向下。 这些管子通常由PVC或玻璃黏土制成。 [translate] ...
of a base isolation structure and the ground by earthquake motion, and capable of effectively preventing damaging of a connecting pipe and a metal fitting even when a wide space cannot be secured between the ground and the base isolation structure, and a pipe support tool used for this ...
drainage area of each section;thirdly,flow-control screen pipe with different slot size and spacing is set in terms of the calculation results.The flow-... Z Yong,H Yang,S He - 《Petroleum Drilling Techniques》 被引量: 4发表: 2012年 Study of Flow Monitoring in Underground Water Supply and...
The drainpipe should be less than or equal to 3 m long and have a downward gradient (recommended: > 1:100) along the drainage direction; no upward or wavy bend or accumulated water is allowed, as shown in the following figure. Figure 4-83 Drainpipe installation specifications Context Bottom...
Drainage pipe in concrete wall at edge of river.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数万
The drainage pipe is clogged with leaves resulting in drainage,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行
The invention relates to a drainage pipeline lining repair method. When a drainage pipeline CIPP (cured-in-place pipe) lining is installed, water plugging and water transfer are needed firstly under a general condition, so a pipe section to be repaired is cut off, but when the lining of the...
In the past period of intensive agriculture, pipe drainage was applied in many countries to drain excess water. This was particularly the case of countries that invested highly into agricultural development and which had hydromorphic soils in their teritory. It was, however, just at the time of...