HMGS-G20 series gas insulated metal-clad switchgear are applied to single bus system merely, voltage class up to 40.5KV. Voltage transformer and surge arrester used for main bus could be well arranged in one panel, be easy to maintenance.
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But to sell its aircraft abroad, CACC will have to create a service and maintenance network, which will not be easy because of a shortage of suitably skilled staff.
但是要把飞机卖给国外，中国商用飞机需要建立一个服务和维修的网络，由于缺乏熟练的员工导致这并非易事。
Installed systems should operate well in a fixed mode, should be easy to control automatically, or should require only relatively infrequent adjustment by maintenance staff during each year.
系统需在一个设定好的模式下运行，并且易于自控，或者仅需维护人员每年进行相对较少的调整。
System friendly interface, easy to use, can also be easily extended to upgrade and maintenance.
系统界面友好，使用方便，也可以方便地进行维护升级和扩展。
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