2) dull subject
冷门专业
1.
So the collages should pay attention to the "dull subject",guide them correctly,plan the subject reasonly,strengthen the relationship between theory and practice.
因此各高校应该重视对冷门专业的发展。
3) refrigeratory gate
冷库门
1.
As a primary manufactory of Chinese electric refrigeratory gate, XueDun company in the city of Haimen in Jiangsu province, cooperated with Nanjing University of Science & Technology, planed for investigating relevant advanced movement controller based on its typical product named DDLM electric refrigeratory gate, the new controller will .
新控制器由数字信号处理器dsPIC30F4011(DSP)、ATmega系列AVR单片机以及专业无线通信芯片nRF2401等众多的先进芯片组成，应用正弦脉宽调制技术(SPWM)实现冷藏库门的交流变频调速控制，大大提高了冷库门运行时的速度和稳定性，同时解决了原先使用传统的继电接触器控制方法带来的高噪音、大冲击力等问题。
4) valve cooling
气门冷却
5) cold sotrage door
冷藏门
6) air-cooling valve
气冷阀门
补充资料：冷门
（～儿）原指赌博时很少有人下注的一门。现比喻很少有人从事的、不时兴的工作、事业等：过去地质学是～儿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条