His chairs can swivel, but they can't move up or down.
他的椅子能旋转，但是不能升降。
Aircraft can avoid each other by going up and down, as well as by altering course to left or right.
飞机可以通过上下升降和左右移动改变航线来避免相撞。
Listen and practice. Note the rising and falling intonation.
听一听,练一练. 注意语调的升降.
At last, I got my knife and cut the halyards.
最后, 我掏出刀子,割断了升降索.
The eustasy explanation put forward by Rona is also possible.
罗纳提出的海面升降也是可能的.
A feed screw extends from the base to the knee.
进给丝杠从底座伸向升降台.
A raise catwalk is made up along the side of the " chest ".
沿着 “ 箱 ” 一侧设一道不宽的天井升降梯道.
On top of the knee is a saddle.
升降台上有床鞍.
Eustatic change is pertaining to worldwide changes of sea level that affect all the oceans.
全球性海面升降变化是指一切海洋的世界性海平面的变化.
In most knee - type milling machines, there are three possible table movements: longitudinal, crosswise, and vertical.
在大多数升降台式铣床上, 工作台可以有三种运动方向: 纵向, 交叉以及垂直方向.
The thermometer rises or falls according as the air is hot or cold.
寒暑表随着空气的冷热而升降.
These wells should provide data related to possible pre - seismic, co - seismic, or post - seismic water level fluctuations.
这些井可提供震前, 震中或震后水位升降的资料.
Let the center of the global coordinates be chosen at the center of the shaft.
将总坐标的中心选于升降机井的中心处.
The tail board, the back part of the lorry can be raised and lowered.
那辆运货卡车尾部的挡板可以自由升降.
Your chairlift can be neatly folded away against the wall.
你的升降椅可以灵巧地折叠起来放在墙边.