The piston is forced upward until sufficient port area is available to pass the fluid.
活塞被推动向上，直到有足够的通道面积让流体流过。
Flow pattern and gas-liquid interfacial area in a microchannel contactor
微通道气液两相流型及界面面积测定
The cross-sectional areas of the pore openings vary along their length.
孔隙通道的横截面面积沿其长度方向变化。
3D analysis in the large area excavation above the Shanghai Metro tunnels
轨道交通上方大面积基坑开挖三维问题分析
injector hole area
喷嘴孔的通过截面面积
Study on the Economic Cross Section and the Economic Ventilated Velocity of the Shaft for the Fortes Deep-Buried Tunnel;
特长深埋隧道通风井经济断面积和经济风速研究
Large Size P-type Silicon Microchannel Plates Prepared by Photo-Electrochemical Etching
由光辅助电化学刻蚀制备大面积p型硅微通道板
basic cold throat area
基本冷态喉道截面积
impeller eye area
叶轮中心进口能道面积
The Shanghai Morning Post reports the facility is90- thousand square meters and connects to shopping centers， office buildings and apartment blocks through a series of tunnels.
上海新闻晨报报导，该设施总面积达9万平方米，通过一系列通道与商场、公楼以及公寓楼相通。
sprue-runner-gate area ratio
直浇道横浇道内浇道面积之比
A new highway system will normally increase the area of carriageway and hence the cost of maintenance.
一个新交通系统，常因为加宽车行道而增加了道路的面积，以致增加了养护费用。
An auxiliary ejector with as little blockage in the ducting as possible is placed behind the inlet of the diffuser duct.
一个辅助引射器，在通道中要以尽可能小的堵塞面积布置在扩压器进口之后。
Reasonable design, big flow zone, smoothbore, no heap of dirty, small flow resistance.
设计合理,流通面积大,通径平滑过渡,无脏物堆积现象,流通阻力小。
multichannel sea surface temperature retrieval method
多通道海面温度检睡
a passageway under an arch.
位于拱下面的一个通道。
the unbalanced reporting of the popular tabloids
通俗小报上片面的报道.
I don't know the exact size of the room.
我不知道这个房间的确切面积.