深部开采，岩石由硬变软，由固变流。
In deep mining, rock changes from hard to soft, from solid to liquid.
电气装置安装工程。电力变流设备施工及验收规范。
Code for construction and acceptance of power convertor. equipment electric equipment installation...
该电源由一个电源控制模块和多个电源变流模块组成。
The power supply consists of a power control module and several power converter modules.
晶闸管变流装置的应用，使电力系统的自然功率因数下降。
Because of application of rectifier set, the natural power factors were decreased.
我们必须是大海，才能接受一条污流而不致变污。
One must be a sea, to receive a polluted stream without becoming impure.
时常流冷汗﹐怕冷怕热﹐体温变怪。
时常流冷汗﹐怕冷怕热﹐体温变怪。
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