| 1. | The valves must have tight closure
因此阀门必须具有紧密的密闭性。 |
| 2. | Before the calibration of the pressure measuring device each connection should be checked for tightness
在校正压力测量设备之前，所有的接口都要检查密闭性。 |
| 3. | Compared with the similar equipment it is simple in structure high in output excellent in sealing and small in size
与同类设备比较具有结构简单，体积小、产量大、密闭性好等点。 |
| 4. | Steel strip sheaths for prestressing tendons - test methods - determination of leaktightness determination of water loss
预应力钢丝索用钢带护套.试验方法.密闭性的测定水损失的测定 |
| 5. | The high - speed and good closeness have greatly reduced the energy losses , effectively controlled environment and raised efficiency
高速和良好的密闭性使门极大的降低了能量损耗,有效控制环境,提高效率及效益 |
| 6. | The water reservoir of slaughterhouse shall be an enclosed structure situated at least 3 meters away from waste area or septic tank
屠宰场之蓄水池应为密闭性构造物，其设置地点应距污秽场所、化粪池三公尺以上。 |
| 7. | The springs ( 1 ) are intended to hold the end cap ( 12 ) tightly seated on the asbestos washer ( 11 ) so as to seal the combustion chamber ( 7 )
弹簧( 1 )用来保持尾盖( 12 )紧紧的压在石棉垫圈( 11 )上，以保证燃烧室的密闭性。 |
| 8. | High quality stainless pipe valve and seamless welded joint can ensure absolutely air conurbation and durability of pipe system
高品质不锈钢的管道阀门，无缝焊接的连接口，以保证绝对的气体密闭性和管道系统的耐用性。 |
| 9. | This valve is welded in fine steel , having the features of handy to operate , good seal , reliable performance and having the function of automatic air - locking dropping material
采用优质钢材焊接而成，运行灵活、密闭性好、性能可靠，具有自动锁风落料的功效。 |
| 10. | It is worthy of paying attention to the situation that there is no fresh air intake except window air conditionings . with the higher gas tightness of tenement , such air condition will doubtless bring the very disadvantageous influence to the health of people
而且值得关注的是家用空调器除了部分窗机外几乎都没有新风引入装置,住宅的密闭性不断加强,这样的空调器无疑给人们的健康带来极不利的影响。 |
