Toroidal composite vessel winded with fabric is a new kind of mechanical pressure vessels.

纤维缠绕环形复合材料容器是一种新型结构的压力容器.

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The PR 1 downhole pressure gauge is a new type of mechanical pressure gauge with spring tube.

PR1型井下压力计是近来设计出来的新型弹簧管式机械井下压力计.

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Retain its elasticity at temperature as low as - 15 ℃. Not resistant to continuous mechanical pressure.

在低至-15℃的环境中仍有弹性. 但不抗连续的机械压力.

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