Therefore, it is necessary to carry out part of the performance of pre-installation testing.

因此，有必要在安装前进行部分性能的检验。

youdao

To keep the equipment in safe and reliable operation all the rules about installation testing operation and maintenance on the manual should be familiarized.

只有熟悉本手册所有安全说明和有关安装、调试、操作和维修的规定，正确地进行搬动、装卸、维护，是实现本设备安全和成功投入运行的可靠保证。

youdao

Localization services all types of antenna system with independent intellectual property rights of domestic equipment, all manufacturing, installation testing are localized.

本地化服务各类天线系统全部是具有自主知识产权的国产设备，全部生产制造、安装测试均为本地化。

youdao

The facility in Jacksonville will perform pre-equipping, mechanical assembly, structural assembly, systems installation and testing, and flight testing of A-29 aircraft, Embraer said.

FORBES: Move up http://i.forbesimg.com t Move down

These solutions integrate seamlessly with multi-vendor and legacy protection relays and devices and enable easy expansion, installation and testing, along with flexibility in design, engineering, commissioning and upgrades throughout the life of a protection and control system.

FORBES: GE Targets High-Growth Power Equipment Market with Packaged Solutions

At first, small groups of people move slowly and cautiously into the heavy shower, testing the mechanics of the installation with a hand, an arm and finally their whole body.

BBC: It is raining indoors in London