他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。

They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes, and current meters.

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本文简要介绍了超浅海水域中直接测流的实际问题，讨论了海流计的动态方程及其特性。

Practical problems concerning direct current measurement in very shallow water including the dynamic equation and performance of a rotor type current meter are discussed in this paper.

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本文推荐一种适合泵站单泵测流的笛形管——差压计测流方法。

This paper recommends a method of measuring flow by the flute pipe-pressure difference gauge, which is suited to measure flow at pumping station.

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