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- Technical Analysis on Gas Handling in Mined Area in a Face with Descentional Ventilation 下行通风处理工作面采空区瓦斯的技术分析
- Here there is a gradual descent to the sea. 这里有个通向海的缓坡。
- There was a descent of temperature after rain. 雨后气温下降了。
- He traces his descent back to an old norman family. 他追踪自己的世系上溯至一个古老的诺曼家族。
- This is a room with good ventilation. 这是个通风良好的房间。
- Many Americans are of English descent. 许多美国人的祖籍是英国。
- The spectators watched the descent of the balloon. 观看的人瞧著气球降落。
- descentional ventilation 下行通风
- Melodic ascent and descent of pitch. 旋律的变移声调旋律的上升或下降
- He traces his descent from an old Norman family. 他追溯他的祖先是属于一个古诺曼人家族。
- Such a steep descent in an airplane would have blacked out a fledging. 飞机作这样的急速下降本来是会使缺乏飞行经验的人眼前发黑的。
- The descent down the mountain took nearly two hours. 下山差不多花了两个小时。
- A person of Hispanic, especially Latin-American, descent. 具有拉丁血统的人西班牙人和葡萄牙人，尤指具有拉丁美洲人的血统的
- The land slopes to the sea by a gradual descent. 陆地逐渐向海边倾斜。
- The ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- From the ground, we could see the, plane pull out of its steep descent. 在地面上我们能看到飞机由俯冲变为水平飞行。
- Workers should be allowed full ventilation of all their difficulties. 工人们应被允许公开讨论他们所有的困难。
- The road makes a sharp descent just past the lake. 那条路刚过湖畔就下了个陡坡。
- Proceeding by descent from an ancestor. 代代相传的从祖先往下传的
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
