Fire hydrant manual warning button besides holding wire, but also needs to open the pump reply line to the pump house.

消水栓脚动报警按钮除旌旗灯号线中，借需求启背鲐问线至泵房。

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While drilling in arid water shortage area or in thief zones pump pressurized foam drilling technology may used in wire-line coring.

在干旱缺水矿区或漏失地层中钻孔时，可选择水泵增压装置泡沫钻进工艺用于金钢石钻进绳索取心。

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