翻钢机,换向机
The result shows that the defrosting period of machine with electronic expansion valve is 12 seconds or 11% shorter than that with thermal expansion electronic valve, so suggests integrating both two methods by using the electronic expansion valve and defrosting by reversing four-way valve with compressor off.
结果表明:采用电子膨胀阀的除霜时间比热力膨胀阀的短12s,即减少11%。
After PLC control technology is applied, the revering program disturbance protection is realized, enabling electric control system for gas reversing machine more safe and reliable.
应用PLC控制技术后,实现了交换程序紊乱保护,使煤气交换机电控系统更加安全可靠。
英语网 · 双语娱乐资讯
英语网 · 初中英语作文
英语网 · 英语词汇
英语网 · 双语新闻