... 喷布被覆 spray coating 定点空调 spot cooling 排气套管 spool piece ...
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公司的机车空调电源和空调器为铁道部机车重要件定点产品并取得了铁道部定点证书。
The company's locomotive air-conditioning power and air-conditioner are the major fixed point products for locomotive parts and have obtained the fixed point certification by Railway Ministry.
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