Keep track of tax - deductible expenses, such as the supplies and equipment you buy.
记下可减免课税的开支，比如买的原料和设备。
This paper introduces a measuring equipment of the highway track.
本文介绍了一种高速公路车辙测试仪。
It is a special power supply equipment designed recently for ut track circuit without insulation.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
It is a special power supply equipment designed recently for ut track circuit without insulation.
该电源屏是我厂最新研制的为ut无绝缘轨道电路提供电源的专用区间供电设备。
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