By use of pocket DD vibration meter, both filed balancing of shafting of new unit and field balancing of unit with vibration troubles after operation for some time can be conducted.

用袖珍数显测振表可以对新安装机组进行轴系平衡，也可以对运行一段时间发生振动故障的机组进行现场平衡。

youdao

Two troubles in the operation of S-520 scan electron microscope are analyzed and the related circuits are described. The curing methods are explained in detail.

介绍了S-520型扫描电镜实际操作中出现的两种故障现象。对相关电路进行了简要分析。详细说明了故障的排除方法。

youdao

In the past, the management of internet-bar is always based on manual operation, which brings a lot of troubles to the administrative management departments.

过去几年的网吧管理工作一直是基于手工操作，给行政管理部门带来了很大的不便。

youdao

There are no Army memorials to the names of soldiers killed in Northern Ireland, because that would be to admit that the Troubles have been a war, rather than a civil peace-keeping operation.

ECONOMIST: Northern Ireland

But Mr Zardari's shift of the government's stance will have to be subtle, not least because economic troubles loom and America has offered more financial inducements in return for co-operation.

ECONOMIST: Pakistan's tribal areas