Gate and globe metal to met seats cannot provide bubble tight shut-off.
闸阀和截止阀(金属与金属连接)阀座不具备不透气关闭的性能。
The perimeter seat design gives bubble tight shutoff in either direction.
这种全周长阀座结构能够实现任何方向的气泡级密封关闭效果。
The triple Offset Butterfly Valve provides a bi-directional bubble tight shut-off.
三偏心蝶阀具有双向无气泡紧密关闭性能。
The interference fit between the gate and seat provides bubble tight shutoff even under the lowest pressure.
即使在最低的管线压力下，闸板与阀座之间的配合也能够实现气泡级密封功能。
The Bi-Directional Knife Gate Valve provides bubble tight shutoff in both directions up to full rating of the valve.
这种双向刀闸阀在阀门压力等级下，任何方向均可实现气泡级密封关闭功能。
Gate and globe (metal to metal) seats cannot provide bubble tight shut-off. Resilient seated butterfly valves are bubble tight by design.
闸阀和截止阀(金属与金属连接)的阀座不具备不透气关闭的性能。
The third containment is a hermetically (air tight) sealed, very thick bubble of the strongest steel and concrete.
第三个容器是严格密封的，用很厚的钢铁和混凝土打造的气泡状容器。
The third containment is a hermetically (air tight) sealed, very thick bubble of the strongest steel and concrete.
第三个容器是严格密封的，用很厚的钢铁和混凝土打造的气泡状容器。
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