This article presents the corrosion rule and characteristics of the HP heat exchanger tubes in urea plant and points the key for corrosion inspection of the tubes.
介绍尿素高压热交换器列管的腐蚀规律和特点，指明列管腐蚀检测的重点。
Just as the HP-35 calculator replaced the manual slide rule forever, inkjet technology spelled the end for the noisy dot-matrix printer.
如同HP - 35计算器彻底代替了手工计算尺，喷墨打印技术终结了吵闹的点阵列打印机。
Just as the HP-35 calculator replaced the manual slide rule forever, inkjet technology spelled the end for the noisy dot-matrix printer.
如同HP - 35计算器彻底代替了手工计算尺，喷墨打印技术终结了吵闹的点阵列打印机。
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