1.
2.21 The annular volume is 115 cubic meters.
井眼的环空体积为115方。
2.
void space in packing system
(晶体) 堆积中空位
3.
volume extraction ratio
矿床总体积和采空区总体积之比
4.
Water vapor accounts for about 4% by volume in moist areas.
在气候潮湿地区，水汽按体积占（空气体积）4％左右。
5.
cavity emissivity
空腔发射;空腔发射能力;气体容积辐射;容积辐射率
6.
On the volume and Gauss map of spacelike hypersurfaces in generalized Robertson-Walker sapcetimes
广义Robertson-Walker时空中类空超曲面的体积与Gauss映照
7.
Oxygen is the second largest component of the atmosphere, comprising 20.8% by volume.
氧是空气的第二大组成成分，体积占20.8%。
8.
When the air becomes hot, its volume increases a lot and very rapidly.
当空气变热时，它的体积便迅速膨胀。
9.
Air not only occupies space but it also has weight.
空气不仅有体积，而且它还具有重量。
10.
A Side Issue in Volume calculation of the Surge Chamber for Slush Pumps
钻井泵空气包体积计算中的一个问题
11.
Assumed150 cubic meters surface volume.
(在泥浆设计中)设地面循环体积为150方。
12.
The plastic zone will be toroidal with a volume of 2πaπ?0(rather than Bπ?0).
塑性区是体积为2πaπ?0（不是 Bπ?0）的圆环。
13.
Air is a mixture of gas, of which oxygen forms 21% by volume.
空气是一种混合气体，其中氧气按体积占21%
14.
Because of the differences in sedimentary environment, the same sedimentary facies display generality and particularity.
相同的沉积相由于具体沉积环境的不同而体现出一般性及特殊性。
15.
Neon, a rare gas in the air, takes only fractional percentage point of the volume.
氖是空气中的稀有气体，只占空气体积的千分之几。
16.
The amount of space occupied by a three-dimensional object or region of space, expressed in cubic units.
体积一个三维物体或空间地区所占的空间，用立方单位表示
17.
Monitor the atmosphere in areas where gases may vent and collect.
监测气体可能排出和积累的区域的空气。
18.
Small overall dimensions：It occupies little space,is easily movable,and is equipped with safely protection device.
体积小：不占空间，易于移动，有安全保护装置。