... 跌在消防气垫上 landed on an air cushion （飞机）试降 landing attempt 落地权 landing rights ...
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沉降试验 [临床] sedimentation test ; [矿业] settlement test
压降试井 pressure drawdown testing
试样降解 sample degradation
电压降试验 Voltage Drop Test ; [电] fall-of-potential test
沉降试验器 sedimentation tester
输入电压缓升/降测试 Input Voltage Ramp
电压降测试 fall-of potential test ; Voltage drop test
沉降物测试器 fallout tester
压降测试 pressure fall-off test ; pressure drawdown test
利用该模型可以对火烧油层注气井试井压降曲线进行解释，并求解流度比、扩散比以及各区的波及半径等参数。
With this model, the pressure drop curve of well testing is interpreted, and mobility ratio, diffusion ratio, sweep radius of each area and some other parameters are solved.
在此基础上提出了用不稳定试井资料确定气井产能的新方法，即用压力恢复曲线法与压降曲线法相结合确定气井产能的新方法。
Based on these, the new method that pressure build-up curve associated with pressure fall-off curve to determining the productivity of gas well is proposed.
在热采项目中用压力降试井来估算蒸汽波及体积是非常重要的，而地层中热损效应在压力降试井分析中又是不可忽略的。
During thermal recovery, to estimate swept volume with pressure fall off test is very important, while hest loss effect of the formation can not be ignored during analysis of pressure fall off test.
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