Some relative facts were found and some relative measures used so that the service life of copper pipe moule would be improved greatly.
找出了相关因素,提出了相应的对策,使结晶器铜管寿命大幅提高。
Some relative facts were found and some relative measures used so that the service life of copper pipe moule would be improved greatly.
找出了相关因素,提出了相应的对策,使结晶器铜管寿命大幅提高。
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