The main machine comprises a machine casing, a high voltage transformer, a water pump and a flow meter etc.

主机包括机壳、高压变压器、水泵、流量计等；

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At present, we are still using the traditional way: AD hoc volume of water equipment, water gauge, velocity meter etc.

目前，我国明渠测流仍采用传统的特设量水设备法、水尺法、流速仪法等。

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Make a good preparation work before running the machine, like check the equipment status, water circulation, pressure meter etc.

负责做好开机前的预备工作，如检查设备状况、水循环系统、主机压力表等确保生产能顺利进行。

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The floatable bags operate in extreme temperatures of -22F to 140F and protect against water submersion for 30 minutes at a depth of 1 meter, also designed with room to accommodate a few small items such as credit cards, bandages, etc.

ENGADGET: SpareOnePlus adds location tracking, audio alerts, keeps the 15-year life on a single AA battery eyes-on