Other cars use a sealed cap and have separate vacuum-and pressure-relief valves . 另一种类型的汽车使用密封式油箱盖，并带有独立的真空--压力减压阀。
We found the air as carefully excluded from the two bedrooms as if air were fatal to life . 我后发觉这两间屋子都密封紧密，好象透了风就要没命似的。
In most automotive engines, there are two openings, or ports, in the enclosed end of the cylinder . 很多汽车发动机里，气缸的密封端都有二个孔或开口。
Kelsen treats the law as though it were contained in a hernitically sealed container . 凯尔森把法律视作一种封闭的东西，就好象法律是在一个封闭的、密封的容器中一般。
The motor case is a steel cylinder closed tight at one end. the other end is the open throat and nozzle . 发动机壳体为一个其一端为密封的钢铸圆柱缸体，另一端则为敞口的喉道及喷管。
With outer-race rotation the shields must be carefully gasketed to prevent lose of oil due to centrifugal force . 当外圈转动时，护板必须注意密封，以免由于离心力而造成润滑油的损耗。
the source is which is placed along with the polished substrate in an evacuated, sealed quartz ampoule. 扩散源与抛光衬底一起置放在抽真空密封的石英管内。
The mixture of hydrogenated oils is pumped into the closed system and the fat solidifies on small refrigerated cylinders . 把混合的氢化油抽压进密封式系统，油脂便在小的冷冻滚筒上结晶。
Uncontaminated water is normally used as seal water for vacuum pumps and for compressor cooling as well as for sanitary use . 未污染的水通常用作真空泵的密封水和压缩机的冷却水以及供保健用。
Perry's slingshot device consisted of a fast moving hollow piston or capsule which contained the test section gas . 培里的弹射装置由一个快速运动的中空活塞或密封容器组成，其中包含试验用的气体。
