liquid-valve

基本解释

When pet touches water supply switch, water jug will automatically supply liquid, while liquid valve will automatically close when pet leaves.
宠物接触水源开关后水壶即自动供应液体,宠物离开水源开关后液体阀门自动关闭。
The quick trunk injector comprises a reservoir pressure-meter, a spring balance, a transfusion pipe, a liquid valve, an air pinhead and a switch.
摘要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。
Most synthetic detergents are in the form of powder or liquid.
大多数合成洗涤剂呈粉状或液态。
Be careful not to lose too much liquid by evaporation.
小心，不要因为蒸发作用而失掉过多的水份。
The surface of the liquid gradually crusted over.
液体表面渐渐地结了一层皮。