These patients may also benefit froma volatile anesthetic such as isoflurane that effectively bronchodilator the airways.这些病人也可能使用吸入性麻醉剂,异氟烷可以有效的扩张气道....
较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...