1.
Pressure test of segmental pigging: cleanup sundries, free rust, drainage and exhaust in pipe.
分段清管扫线试压：清除管线杂物、浮锈、排水、排气。
2.
From time to time a scraper is passed through the pipeline to remove this corrosion.
不时用清管器在油管内穿过，以清除这种锈蚀。
3.
Development and Application of Pig Cleaning System for Oil Pipeline
石油管道清管器清洗系统的开发与应用
4.
Application of PIG cleanout sands in the underground oil pipeline on Sudan District Six
清管器在苏丹六区地下输油管线清砂中的应用
5.
Static, Pigging and Seismic Analysis of the Pipeline Suspension Bridge;
悬索管桥的静力、清管及地震分析研究
6.
For connection between receiver &launcher and pipe refer to pigging process flow diagram.
否则易卡住清管器，收发球筒与管线连接形式见清管工艺流程图。
7.
Pig Receiver& Launcher are important parts of pigging equipment, which is installed on both ends of pipeline to launch or receive the pig.
清管器收、球筒是清管扫线设备的重要组成部分，它安装在管线两端用于发射及接收清管器。
8.
The pig is blocked frequently when pipeline pigging, which will influence the normal operation due to severe plugging sometimes.
现场清管作业时清管器经常被卡堵,严重时会影响正常生产。
9.
Used for pigging and hose sweeping before production, which can cleanup the stones, lags and other sundries remain in the pipeline while construction.
用于各种管线投产前的清管扫线，可清除管道施工中遗留在管道内的石块、木棒等杂物。
10.
brush for cleaning tubes and piping
清洗管子和管道用刷
11.
scavenge pipe
回油管, 吹气[清理]管
12.
Application of PIG cleaning technology in steam pipeline cleaning
PIG清洗技术在蒸汽管道清洗中的应用
13.
Management of Cleaning Pollutants from Ships
船舶污染物清除管理
14.
Rain Water Pipe
雨水渠管（俗名清水垌）
15.
oil bath air breathing
油浴式滤清器通气管
16.
swirl tube air filter
旋流管式空气滤清器
17.
a plumber's snake for clearing a trap and drain.
清洁排水管的螺旋钻。
18.
The stewards had handed in their accounts
各处监管都交清账目