intake shaft meaning in English

进风井

Prediction of the air temperature in the intake shaft during construction period of a deep mine
深井建井期入风井简风温的预测
Air - intake shaft
进风竖井
According to the geological conditions and the corrosive medium composition of the shaft well ， the damaging reason and the mechanism of the concrete attack in the intake shaft well of “ 635 ” project are analyzed ， and the corrosion - prevention treating method for the shaft well concrete is presented
水利枢纽发电引水洞竖井段围岩中，有黄铁矿脉风化形成的黄钾铁矾化蚀变带通过.经对竖井衬砌混凝土腐蚀破坏机理的分析后认为，必须采用有效的防腐材料，将混凝土与侵蚀介质隔离开来，对竖井混凝土进行防腐蚀处理