Esso Research and Engineering Company has already devised a system for clearing urban roadways that is reported to be cheaper than under-pavement steam or electric coils.
埃索研究工程公司已经开发了个郊区道路清理系统,据报道会比人行道下的蒸汽电力圈更为便宜。
Combined with medium pressure steam heat-supply engineering, the applicability of square compensator, ball compensator and rotary joint compensator is discussed.
结合某中压蒸汽供热工程,探讨了方形补偿器、球型补偿器、旋转补偿器的适用性。
The trajectory of human engineering and technology innovation is from the steam age, the electrical age to the digital era and the wisdom of the times.
人类工程技术革新的轨迹是从蒸汽时代、电气时代到数字时代再到智慧化时代。
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