1) air tightness of the car body
车体气密性
2) seal of car body
车体密封
3) gas seal
气体密封
1.
Presents the structure characteristics and working principle of type 28 gas seal, and summarizes the dismantling and reassembling gists as well as operation and maintenance experiences.
介绍２８ 型气体密封的结构特点、工作原理，总结拆卸与装配要领，操作与维修经验。
2.
his paper presents the structure feature,the advantages and working principle of Type 28 gas seal,the inspect re-sults after three years operation,attentions to be pay in operating and maintenance,the characteristics of the sealing andthe factors affecting it.
介绍＂２８型气体密封＂的结构特点、工作原理，运行３年后检查结果，操作维修中注意事项，该密封的优点及影响密封泄漏的因素。
3.
The old overflowwater seal is replaced by the new gas seal to realize saving energy.
对马钢第二钢轧总厂30 t转炉活动烟罩进行了结构改造,通过使用气体密封代替了原有的溢流水密封,实现节能的效果,实现降低故障率和检修的快速更换目的。
4) gas density
气体密度
1.
Adopting the sensor technology and digital circuits, a digital SF6 gas density on-line monitoring device is developed and connected into the integrated automation system of substation to realize remote and on-line monitoring.
采用传感器技术和数字电路开发出数字式SF_6气体密度在线监测装置,并接入变电站综合自动化系统进行远方、在线监测,解决了机械式密度继电器无法适应无人值班变电站对设备运行状态进行实时监测的问题,有利于断路器状态检修的开展和电网的安全稳定运行。
2.
It is recognized that the gas density relay can reflex the gas density in gas insulated electric equipment correctly and the pressure relay can t do the same.
一般认为气体密度继电器可以正确反映气体绝缘电气设备的气体密度 ,而压力继电器则不能。
3.
The relations between gas buoyancy force and volume,and density are gotten by increasing and decreasing the gas density in this bottle.
将自制的简易天平密封在玻璃罐头瓶中,通过增大、减小瓶中空气密度的方法,验证了气体对物体产生的浮力与物体体积和气体密度的关系。
5) pressure-tight body
气密壳体
6) fermi gas
费密气体
补充资料：气密性
分子式：
CAS号：
性质：指塑料薄膜或薄片阻止氧、氢、氮等各种气体透过的性质，这在真空系统的建立中起着重要作用。如真空包装时所使用的薄膜，应该阻止氧的透过，这样才能保住内部物质或食品不被氧化。
CAS号：
性质：指塑料薄膜或薄片阻止氧、氢、氮等各种气体透过的性质，这在真空系统的建立中起着重要作用。如真空包装时所使用的薄膜，应该阻止氧的透过，这样才能保住内部物质或食品不被氧化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条