Note: If the total volume collected downstream during the burn and/or cooldown is less than the body cavity volume, the through leakage can be assumed to have been zero.

• 注：在燃烧和冷却期间，如果从出口端部收集到的所有泄漏量少于阀体容积，则阀座的泄露可以被认为是零泄漏。