There is an opening in the bottom of the ladle, called nozzle, which is sealed with a vertical refractory stopper. Rising molten rock flows out on the ocean floor and caps the fissures, trapping the water.
上升熔岩流到海底并堵住了裂隙,结果把海水封在里面。
cold-water meters - multijet type centrifugal and vertical pumps for allowable nozzle loads
名系统多喷嘴式冷水表离心泵和立式泵.最大喷嘴负荷
Minute vertical and lateral adjuster is built in the nozzle.
喷嘴安装横向和纵向的为调节装置.
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