Release pressure pot, it is in a closed container, a new liquid containers that the liquid flux of the holes in the bottom is master of air switch in top of the containers.

释压壶，它是在密闭的容器中，通过控制容器顶部的空气开关达到控制容器底部小孔的 液体流量的一种新式液体容器。

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The quick trunk injector comprises a reservoir pressure-meter, a spring balance, a transfusion pipe, a liquid valve, an air pinhead and a switch.

快速树干注射器主要由贮液瓶、压力表、弹簧秤、输液管、注药口、气门嘴、注射针头、开关等几部分组成。

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The pressure tank is provided with a pressure gauge, a pressure switch, a liquid level sensor and an electric heater.

压力罐装有压力表、压力开关、液位传感器和电加热器。

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