到规定压力时不开启造成这种情况的原因是定压不准。
To the required pressure is not open the reason for this result is the constant pressure are not allowed.
仔细按照条文的指示充气。不要超过规定压力。爆破物品会造成严重伤害。
Carefully follow instruction on articles to be inflated. Never exceed recommended pressures. Bursting items can cause serious injury.
常用的试验方法为静水试压，即：向封闭的管段充水，然后把管段升压至规定压力，检查是否泄漏。
A common approach is hydrostatic testing-filling a closed pipeline section with water, then pressurizing the line to a specified pressure to check for leaks.
常用的试验方法为静水试压，即：向封闭的管段充水，然后把管段升压至规定压力，检查是否泄漏。
A common approach is hydrostatic testing-filling a closed pipeline section with water, then pressurizing the line to a specified pressure to check for leaks.
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