If you're on a private well or want more in-depth information, consider hiring a private water-testing company.

如果你有一个私人的井或者想要更加深入的信息，就考虑请一个私人的水测试公司去测试水质量。

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For the abundant of noise in testing oil well depth with sound wave, it is difficult to locate the reflected sound wave.

在用声波测试油井油液面深时，反射声波受到大量杂波干扰，给接箍波和液面波的定位带来了极大的困难。

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The designed testing system in the paper can complete these tests as to air pressure, airflow rate, rotary speed, bit weight and drilling depth in the process of well drilling.

本文设计的物探钻具性能测试系统可完成对钻井过程中的空气压力、空气流量、转速、钻压、钻井深度等参数的测试。

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Once there, they use aerial photography and remote cameras in combination with depth-finding and global-positioning satellite technology (as well as some first-hand testing of the waves) to measure the waves and map the contours of the ocean floor under the breaks.

ECONOMIST: On the beach