The annular space is evacuated and contains multiplayer insulation.

环形空隙被抽空排气,装有多层隔热材料.

互联网

All tanks are powder and vacuum insulated in the annular space.

所有罐都有真空环形隔热层.

互联网

Some mechanical recovery wells in Chengdao Oilfield produce oil in tubing -- casing annular space.

胜利 埕 岛油田部分机械采油井存在油套环空出油现象.

互联网

The turbulence properties of annular space a cyclone were investigated by using the Laser Doppler Velocimetry.

采用激光多普勒测速系统测试了蜗壳式旋风分离器内的流场,分析了环形空间内的湍流特性.

互联网

Applying air pressure to the annular space between the sleeve and the body actuates the valve.

在套管与阀体之间的环形空间内施加气压来驱动阀门.

互联网