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- pressure below the atmospheric 真空
- By doing so, the DET keeps the system pressure below the relief setting of the Temperature and Pressure relief valve. 通过这种功能，det系列将系统压力保持在温度压力安全阀的排放设置下。
- What's the atmospheric pressure today? 今天的气压怎么样？
- These tanks maintain system pressure below the relief setting of the relief valve. 这种膨胀罐将系统压力保持在安全阀设置的排放压力以下。
- The atmospheric refractivity profiles below the height of the GPS receiver are obtained with this inversion technique, as well as the bending angle of rays. 将该反演方法应用于观测数据的反演，获得了观测点高度以下的大气折射率剖面，以及电渡弯曲角。
- The downhole isolation technology is to use downhole isolation valve to isolate the oil/gas and downhole pressure below the valve, which is currently the most practical snubbing technique. 井下隔离技术是利用套管阀将井下的油气和压力封隔在阀板以下,是目前最实用的一种不压井作业技术。
- I thought his remarks were quite below the belt. 我觉得他的话十分尖酸刻毒。
- His income is well below the average. 他的收入大大低于平均水平。
- I suppose that's the atmospheric pressure. 我想是气压的问题吧。
- He weighed in at several pounds below the limit. 他赛前量体重比规定限度少几磅。
- The atmospheric pressure is about 100000 Pa. 大气压大约等于10万帕。
- His work at school is below the average. 他的学业成绩在一般水平以下。
- The great ship sank below the waves. 巨轮在滚滚浪涛中沉没。
- She frequents the atmospheric cafe. 她常去那家俱乐艺术氛围的咖啡馆。
- Please sign your name below the line. 请在线下签上你的名字。
- Her remark was a bit below the belt. 她的话有点不太公正。
- The body was visible below the surface of the lake. 尸体在湖水下清晰可见。
- The English gentry is next below the nobility. 英国绅士的地位仅次于贵族。
- The sun dipped below the horizon. 太阳落到地平线下。
- The diffused light from the sky when the sun is below the horizon but its rays are refracted by the atmosphere of the earth. 当太阳处于地平线以下时，太阳光被地球的大气所折射而弥漫在天空中的光。
