1.
constant-rate drawdown test
保持产量恒定的压降试井
2.
Thus, delivery pressure remains constant even as cylinder pressure decays, eliminating the need for frequent control knob adjustment.
因此，即使钢瓶压力下降，调整器的输出压力保持恒定，从而不需要经常调整控制钮。
3.
To keep high quality of products is to keep the everlasting value.
保持产品的高质量，就是保持永恒的价值。
4.
keep(the compartment of a submarine,the cabin of an aircraft,etc)at a constant atmospheric pressure
使（潜艇的水密舱、飞机的座舱等）保持恒定的气压
5.
an invariable pressure, temperature, amount
恒定的压力、 温度、 数量
6.
Thermostat: Device that detects temperature changes for the purpose of maintaining the temperature of an enclosed area essentially constant.
恒温器:测量温度变化以便保持封闭区域内温度基本恒定的装置。
7.
VARIATION LAW OF PRESSURE DROP AND PRODUCTIVITY RATE IN HORIZONTAL GAS WELL
水平气井井筒压降及产量变化规律研究
8.
It enables the rotor with constant speed for maintaining steady output voltage.
它使转子能以恒定速度转动，保持输出电压稳定。
9.
2. When we keep the temperature constant, the volume of a gas changes inversely with the pressure.
当我们使温度保持恒定时,气体的体积与压力成反比。
10.
settled production
井初期自喷产量下降后的平均产量
11.
Influencing factors to horizontal well productivity considering wellbore pressure drop
考虑井筒压降的水平井产能影响因素研究
12.
Wellbore dynamic surge pressure while tripping a drill pipe in slim hole drilling
小井眼钻具升降产生的孔内波动压力
13.
Horizontal Wellbore Pressure and Effect on Horizontal Well Productivity
水平井筒压降及其对产能影响的研究
14.
Such parameters as ambient oxidizer concentration, temperature level, and fuel identity are held constant.
周围氧化剂浓度、温度量级、燃料性质参数是保持恒定的。
15.
Preparation of Composite Decompression Tablets and the Discussion of Determination of Its Content
复方降压宁片剂的试制及含量测定方法的探讨
16.
over-produced wel
超过预定允许产量的井
17.
A METHOD TO DETERMINE SAND CRITICAL PRODUCTION IN FRACTURING GAS WELLS
压裂气井出砂临界产量确定方法研究
18.
To keep(a quantity) constant through physical or chemical reactions or evolutionary changes.
守恒在物理、化学反应过程中或演化过程中保持（一种数量）恒定不变