但是，对于常规系统试井(一般为4点)测试资料，这两种方法的应用，需要进行作图和特定的线性回归处理。
But for materials of the general system well testing (often 4 points), description and special linear regression should be used in these two ways.
简要介绍了射流井点降水装置的特点、基本原理以及装置的工艺流程及系统布置。
Introduces the character, fundamental, technological process and system layout of jet well ground water lowering device.
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