充气坝改善送水能力。
充气太早会增大刺穿或撕破背心的风险，也将限制你游离碎片与火焰的能力。
Inflating it early will increase the chances of puncturing or ripping the vest, as well as limiting your ability to swim clear of the wreckage and fire.
实验中还研究了充气压力和运转频率对制冷机性能和制冷能力的影响。
It was the lowest temperature with two-stage pulse tube. its performance and the effects of the operating parameters were investigated.
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