They put systems and devices into operation and maintain them.
只有在必要时,同时又赶在不可挽回之前进行维护。
Maintenance is carried out only when necessary and at the same time before irreparable.
同时,在配电网络上进行维护涉及到维护人员的固有风险以及电力系统的更多停机时间。
At the same time, performing maintenance on the electrical-distribution network involves inherent risk to maintenance personnel as well as more downtime for the power system.
进行维护润滑时,请确保对设备进行充分的维护,检查和维护。
When performing maintenance lubrication, ensure that the equipment is fully serviced, inspected and maintained.
直升机,不包括一个特遣队提供的作为另外2架直升机中任何一架在进行维护时备用的1架直升机.
Helicopters, excluding one helicopter provided by acontingent as a replacement when one of the other two helicopters was undergoing maintenance.
大脑可能是治疗本身或进行维护,或者我们是真正连接到人类还活着的星际网络。
The brain might be healing itself or performing maintenance, or maybe we are truly connecting to an intergalactic network of beings that are alive.
她说,在营火前一两年,她看到PG&E工人计划清理植被或进行维护。
A year or two before the Camp Fire, she said,she saw PG&E workers planning for clearing vegetation or doing maintenance.
进行维护润滑时,请确保设备能够得到充分维护,检查和维护。
When performing maintenance lubrication, ensure that the equipment is fully serviced, inspected and maintained.
为了确保安全,在风扇运行期间不允许进行维护。
In order to ensure safety, it is not allowed to carry out maintenance during the operation of the fan.
其中一些系统有自己的系统来进行维护,有些则没有。
Some of it has their own systems for doing maintenance, some doesn't.
然而现实的情况是,训练有素的人员进行维护仍然是有利的。
The reality is, however, that trained personnel performing maintenance remains advantageous.
军团将继续提供游客协助,进行维护,并监督这些公园的所有运营。
The corps will continue to provide visitor assistance, perform maintenance, and oversee all operations in these parks.
其主要目标是安装寻求号气密舱并帮助在国际空间站进行维护。
Its primary objectives were to install the Quest Joint Airlock andhelp perform maintenance on the International Space Station.
此外,经欧洲航空安全局(EASA)的认证,我们公司还有能力对欧洲运营商的飞机进行维护。
In addition, the company is, approved by the EASA(European Aviation Safety Agency),and can perform maintenance on the aircraft of European operators.
我们可以使用相同的技术为在石油设施或风力涡轮机上进行维护的机组人员提供更安全的工作环境。
We can use the same technologies to provide asafer working environment for crew members who perform maintenance on oil installations or wind turbines.
此外,经欧洲航空安全局(EASA)的认证,我们公司还有能力对欧洲运营商的飞机进行维护。
In addition, our company, approved by the EASA(European Aviation Safety Agency),can perform maintenance on aircraft of European operators.
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