管端高压密封和水路自动控制方面所采用的新结构，使用效果良好。
The new structures, high pressure airtight pipe end and automatic controlled water path have achieved good effects.
半球形封头壁厚与筒体壁厚不相等的高压容器是由端部密封装置、筒体、半球形封头和加强箍等组成的一种新结构容器。
High pressure vessel with hemispherical head thinner than cylinder wall is a new type of vessel which consists of sealing device, cylinder, hemispherical head and reinforcing ring.
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