试验要求 meaning in English

test limits
test requirements document

The jet engine requires a huge scavenging system sometimes using half as much power as the tunnel itself in order to keep contamination low .
喷气发动机试验要求庞大的排气清除系统，以减轻污染，该系统有时要耗去风洞本身功率一半之多。
Mountain - bicycles - safety requirements and test methods
山地车.安全和试验要求
Testing of valves - fire type - testing requirements
阀门试验.阀门耐火试验要求
Snap - on connectors , non insulated ; requirements , tests
非绝缘搭锁式连接器.试验要求
Testing of valves - fire type - testing requirements
阀门试验.耐火试验要求

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