通过设备改造、调整工艺条件可获得质量优异的涤纶细旦poy。
Through process adjustment and equipment modification, the top quality of fine denier polyester POY can be obtained.
所有阀门都应该关闭紧密并且质量优异。泄漏的阀门将会淹没锅炉。
All valves should be tight-closing and of good quality. Leaky valves will flood boiler.
单一的海口擦洗磷矿生产DAP产品质量优异，但企业经济效益差。
The quality of DAP produced from single Haikou deslimed phosphate rock is excellent, but the economic benefit of the enterprise is bad.
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