test pit [地质] [矿业] 探井 ; [建] 探坑 ; [建] 试坑
open test pit 探井 ; 探坑
pumper test pit 泵浦车试验槽
gamma-ray test pit 自然伽马刻度井
neutron logging test pit 中子测井仪刻度井
neutron log test pit 中子测井刻度井
gammaray test pit 自然伽马刻度井
test in the pit 井下试验
test-pit 测坑
·2,447,543篇论文数据,部分数据来源于NoteExpress
Your stomach sinks, you have that sinking feeling in the pit of your stomach, when you get a bad grade on a test.
当你考试考砸的时候,你的胃会垂下去,或者说,会有胃部下垂的感觉
耶鲁公开课 - 死亡课程节选
When ignited in a test pit the rocket, called the B4, produced a thrust of about a quarter of a tonne and behaved exactly as predicted.
BBC: Hybrid success for British rocket
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