1·To improve the waterproof wall and air tightness.
有利于提高墙体的防水和气密性。
2·On all cylinders ammonia inventory for air tightness test.
对所有库存钢瓶氨气进行气密性测试。
3·The vacuum nitrogen oven which can quickly cool off has high efficiency and good air tightness.
该可快速冷却的真空氮气烘箱效率高、气密性好 。
4·The opening and closing door fully demonstrated its property of tightness, air tightness and sound insulation.
门扇开启、闭合充分展现出它的密封性、气密性、隔音性。
5·Our insulating glass, soundproof and heat resistant, is good at water & air tightness and can proof water and wind.
中空玻璃设计，隔音隔热，具有极佳的水密性和气密性，防风防水。
6·Air tightness test and safety valve adjusting for main air receiver (control air receiver, air horn receiver) on board.
主空气瓶(制空气瓶、笛空气瓶)船后气密试验和安全阀的调整。
7·The spacecraft would be assembled at the launch center after experts finish examining its air tightness and electric properties.
神七将在载人航天发射场总装测试厂房进行气密性检查、电性能测试等，然后完成总装，预计在10月份发射升空。
8·Special resin DNDA-7144 is suitable for making vessel covers and industrial vessels with air tightness and higher mechanical property.
专用料dnda - 7144适宜制作气密性和力学性能较高的容器盖及工业容器。
9·The wiring harness of automotive lamps works in wicked situations, thus it should meet the demands of water-proof, air tightness and so on.
摘要： 灯具线束工作在高温高湿、震动频繁的环境中，因此要求其具有防水性、耐高温、固定牢靠、与灯具配合的气密性等性能要求。
10·It has high air tightness, high water tightness, high intensity and excellent heat insulating, winter proof and sound insulating performance.
高气密性、高水密性、高强度以及优异的隔热、防寒、隔音性能。