In chapter 7, the structure and the working principle of the gas hydrate temperature-hold and pressure-tight sampling corer are discussed.
第七章分析了天然气水合物保温保压取样器的结构和工作原理。
2
While suits for spacewalks are about as tight as a fully inflated blood pressure cuff, the GLCS suit exerts about the same amount of pressure as a pair of Lycra riding pants.
宇航服紧的像完全膨胀的血压计臂带，但是压力是围绕全身的，而不是在手臂上的。
3
Nexter is under pressure to lift export sales as domestic orders are drying up under tight budgetary conditions.