ventilating shaft

ventilating shaft 基本解释

通风道

ventilating shaft 用法和例句

1、Technological Transformation of the Ventilating Shaft of the Colliery to Promote Systematic.

兴无煤矿风井提升系统的技术改造

重点词汇

ventilating [计] 通风

shaft n. 柄，轴；矛，箭；〈非〉嘲笑；光线 vt. 给…装上杆柄；〈俚〉苛刻的对待