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- 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。
- All tanks are powder and vacuum insulated in the annular space. 所有罐都有真空环形隔热层。
- In annular space, the values of tangential, axial and radial turbulence intensity were of the same order of magnitude. 环形空间3个速度分量的湍流度是同一个数量级的。
- Adding air pressure within the annular space between the body and the sleeve can open, throttle, or close the valve. 在阀体和套管的环形空间内施加气压,就能够实现开启、节流或关闭阀门的功能。
- 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。
- The turbulence properties of annular space in a cyclone were investigated by using the Laser Doppler Velocimetry. 摘要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。
- Some mechanical recovery wells in Chengdao Oilfiled 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。
- Between the vessels is an annular space that contains an insulating medium, from which all the air has been removed. 在内外罐之间是环形空间,空间内容纳着绝缘介质,空间内的空气已经抽走。
- Adding air pressure within the annular space between the housing and sleeve can throttle, or close the valve. 在阀体外壳和套管之间的环形空间内施加气压,即可实现阀门的节流和关闭功能。
- The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by conduction and convection. 而介于外管与内管的真空环状部分是用来减少热散失的。
- These are fitted into the annular space between the cylinder and the cylinder liner,and are connected to the steam supply. 这是在锅炉里面使用高温处理蒸汽和给气缸增设蒸汽套共同作用的结果。
- The wall shear stress caused by cement slurry flowing in the annular space is a key element that affects the displacing efficiency. 水泥浆环空流动的壁面剪应力是影响顶替效率的关键因素。
- Modulating the air pressure within the annular space between the body and the sleeve can open, throttle or close the valve. 在阀体和套管的环形空间内施加气压,就能够实现开启、节流或关闭阀门的功能。
- Suitable for drilling expandable mudstone as well as for drilling deepening wells and secondary completion to enlarge annular space for casing and improve well cementing quality. 适用于钻进膨胀性泥岩,以及钻加深井、二次完井,增加套管环空,提高固井质量;
- In order to meet the need of carrying cuttings in annular space and make hole cleaned sufficiently,it is very important for studying on the ability of mud pump. 为了满足环空携岩需要,使井眼得到充分净化,开展了泥浆泵设备能力分析研究。
- The cryogenic tank is constructed, in principle, like a thermos bottle. There is an inner vessel surrounded by an outer vessel. Between the vessels is an annular space that contains an insulating medium, from which all the air has been removed. 有一个外罐包围着的内罐。在内外罐之间是环形空间,空间内容纳着绝缘介质,空间内的空气已经抽走。
- Based on the balance of the fluid in the pipeline and the annular space,I study the pressure of the hole in the bottom and the pressure loss of the both under the laminar flow condition. 以泡沫钻进管路中、环形空间中的流体受力平衡为依据,对层流状态下的孔底压力及两者的压力损失进行初步的理论研究,通过验证,与实测值拟合较好。
- Annular-space Testing Pumps This pump provide a sufficient space to put the testing instrument into the annular space between tubing and casing to measure the well parameters directly. 环空测试泵:可在不停井的情况下进行井况测试。
- The closing means for ventilators and funnel annular spaces leading to ER should be fitted from outside such spaces at next ship's repairing. 机舱通风筒和烟囱的环形开口的外部关闭装置应在最近一次修船时装妥。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。