Critical pre-launch tests have been hampered by issues with propellant loading and a malfunctioning helium check valve.
关键的发射前测试因推进剂装载问题和氦止回阀故障而受阻。
单词 | check valve |
例句 |
原声例句
CNN 10 学生英语 2022年9月合集 Critical pre-launch tests have been hampered by issues with propellant loading and a malfunctioning helium check valve. 关键的发射前测试因推进剂装载问题和氦止回阀故障而受阻。 实习医生格蕾 第2季 Although it would be unusual for rheumatic heart disease to cause ventricular dysrhythmias, we've still got to check your valves. 也许那对风湿性心脏病来说,心室疾病不太常见,但我们还是要检查下你的瓣膜。 |
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