By technical renovation the pump is able to run smoothly for a long period of time. 通過(guò)技術(shù)改造，使液氨輸送泵能夠長(cháng)周期平穩運行。
The measures and methods of long cycle benign use of continuous casting crystallizer are elaborated in this article. 闡述了實(shí)現結晶器長(cháng)周期良性使用的措施及方法。
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