1.
Faster maintenance in-line. Flat seating faces can be lapped and checked for flatness easier.
在线维护更加迅速。平面阀座面能够研磨和检查，较容易实现平面度。
2.
Eliminates pin seal leakage and provides in-line service.
有利于避免销钉密封处的泄漏，能够进行在线维护。
3.
Maintenance and Operation of the Fiber-optic Cables in the Maintenance and Administration of the Practice;
经营型维护及在光缆线路维护管理中的实践
4.
The Application and Maintenance of CAN Bus in Automobile
CAN总线在汽车上的应用与维护研究
5.
Online data maintenance for RGIS based on ArcGIS Server
基于ArcGIS Server的RGIS在线数据维护
6.
The Application of Optical Fiber Monitor & Test System in the Maintenance of Optical Fiber Cable;
光纤监测系统在光缆线务维护中的应用
7.
Based on On-line Battery Impedance Measurement Technology Maintenance and Management
基于在线阻抗测试技术的蓄电池维护与管理
8.
Application of the Lidar Technology on Operation and Maintenance of Power Transmission Lines
三维激光雷达技术在输电线路运行与维护的应用
9.
maintenance of submarine cables or pipelines
维护海底电缆或管线
10.
The Web host provides maintenance based on the level of service the online business requires.
网络服务商会在在线商店的要求服务的基础上提供维护支持。
11.
Protection, Running and Maintenance of 220kV Micro-Computer Line;
220KV线路微机保护器的运行与维护
12.
Application of Optic-fiber Pilot Relay Protection in 500 kV Transmission Line
500 kV线路光纤纵联保护运行维护
13.
The head of water is maintained at a permanent level so that the velocity and curve of the jets remain constant.
水头被维护在一个永久水平以便喷气机的速度和曲线依然是恒定。
14.
C. It is of comprehensive protection, easy circuit arrangements, convenient maintenance and low price.
C、综合保护，线路简单，维修方便、格低廉。
15.
CATV Use and Maintain
共用天线电视系统使用与维护(二)
16.
Research on Passenger Dedicated Line Track Maintenance Information System
客运专线轨道养护维修信息系统研究
17.
Introduction of LAP-3000 wind profiler and maintenance experience
LAP-3000风廓线雷达及其维护经验简介
18.
Innovation FF Bus Maintenance and Management of Intelligent Devices and Applications
创新FF总线智能设备维护管理与应用