1.
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。
2.
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
3.
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
4.
The Research of High-performance Electronic Pipeline Cleaning Instrument and Assistance Apparatus;
高性能电子清管器及成套仪器的研究
5.
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。
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.
Research & Application of Automatic Stuck-free Disc Pig
自动解堵型圆盘清管器的研制与应用
8.
Structural Study and Design of Build-up Pig with Flexible Shaft
柔轴组合式清管器的结构研究与设计
9.
Design and Application of Pig-launcher and Pig-receiver
清管器发射和接收装置的设计及应用
10.
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。
11.
oil bath air breathing
油浴式滤清器通气管
12.
swirl tube air filter
旋流管式空气滤清器
13.
Ensures cleaner tanks, lines, strainers, preheaters and burners.
清洁油罐()管路、滤器、热器以及燃烧器。
14.
Cannot clean up the delegate-manager decline records.
无法清除代理管理器的谢绝记录。
15.
thyristor ultrasonic power supply and cleaner
闸流晶体管超声电源及清洗器
16.
Disconnect wire harnesses and washer hose from liftgate.
从升降闸门上断开线束和清洗器软管。
17.
Chemical Cleaning of Shell-and-tube Exchanger and Analysis of Leakage
管壳式换热器的化学清洗及渗漏分析
18.
A Comparative Study of Three Types of Instruments on Cleaning Efficiency in Root Canal Preparation
三种器械对根管清洁效果的比较研究