拉瓦尔喷管的电铸层有一定的均匀性要求。
The deposit of laval nozzle has a certain thickness uniformity requirements.
试验结果表明，在保证推力不确定度优于1.0%的条件下，拉瓦尔喷管发动机高空模拟试验的模拟偏差容限约为14%。
The test result shows that maximum tolerance of the simulated ambient pressure deviation is about 14% under which the engine thrust uncertainty remains less than 1.0%.
试验结果表明，在保证推力不确定度优于1.0%的条件下，拉瓦尔喷管发动机高空模拟试验的模拟偏差容限约为14%。
The test result shows that maximum tolerance of the simulated ambient pressure deviation is about 14% under which the engine thrust uncertainty remains less than 1.0%.
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