1)double-packer双封
1.Retrievable double-packer recovery string technology is a new one developed upon needs for reperforation, recovery of another payzone, machinery blocking water and some other stimulation in deep wells.可取式双封采油管柱技术是在深层油田补孔改层、机械卡堵水等增产措施条件要求下开发出来的一种新技术。
英文短句/例句
1.straddle-packer test跨式双封隔器地层测试
2.straddle packer跨式双封隔器中的一个封隔器
3.radial double mechanical seal径向双端面机械密封
4.axial double mechanical seal轴向双端面机械密封
5.calculation for bolt load of double-cone seal双锥密封的螺栓力计算
6.hydraulic-set dual hanger水力坐封双管悬挂器
7.DSS tubing joint双密封专用油管接头
8.organic-seal double-glazing unit有机物封填双层玻璃窗
9.ceramic dual in-line package陶瓷双列直插式封装
10.the closed boats paddled from a sitting position with a double-blade paddle.即封闭的、坐式双桨比赛，
11.The Struggles Between the Great Britain and France over the Blockade and Counter-blockade from 1806 to 1812;试析1806～1812年法英双方的封锁与反封锁的斗争
12.Fig4. Self-seal means adhesive tapes attached, so not the mails but you should accomplish the sealing job instead of open-wide delivery.图四：自封信封意思是信封口上面带着双面胶，不是信封自己会把自己封上，不要敞着就寄出去了。
13.The twins are like as two peas.那封双胞胎长得一模一样。
14.Biaxially oriented polypropylene film for heat-sealGB/T12026-1989热封型双轴拉伸聚丙烯薄膜
15.Kay took the letter out of her purse.恺双手从钱包里拿出了那封信。
16.double-grip large bore single string packer双卡瓦大内孔单管封隔器
17.A closed automobile, usually with two doors.双门轿车封闭式汽车，通常有两个门
18.double grip retrievable casing packer双卡瓦可回收式套管封隔器
相关短句/例句
single stage double plugging单级双封
1.The contradiction between cement density,cementing quality and leak in the hole can be solved by using the technology of single stage double plugging.为提高固井质量,保证各开套管安全下送到位,采用内插法固井解决了超大套管固井的窜槽问题;采用单级双封固井工艺解决了超长易漏封固段固井质量、水泥浆密度与漏失的矛盾;采用先悬挂后回接的固井工艺实现超长管柱固井作业;采用塑性防窜超低密度水泥浆体系解决了恶性漏失地层的固井漏失问题;采用防塌、防气窜、抗高温水泥浆体系,解决了超深井段所固有的超高压、超高温引发的固井难题。
3)double seals双重密封
1.Aimed at the insufficient seal problems of monolayer mechanical seal and flexible seal, the double seals are applied in four 5×104 floating roof ta nks at Zhenhai station and Baishawan stationof Yong-Hu-Ning crude oil pipeline.针对浮顶油罐单层机械密封和软密封存在的不足,在甬-沪-宁原油管道镇海、白沙湾等站场新建的4座10万m3浮顶油罐上采用了双重密封。
4)dual packer双封隔器
5)Double Seal Dam双密封坝
6)dual-sealing双道密封
延伸阅读
登封窑珍珠地双虎纹瓶登封窑珍珠地双虎纹瓶 宋代登封窑瓷器精品。北京故宫博物院藏。高31.9厘米。侈口圆唇，颈短细，腹体呈橄榄型，平底，制作规整，线条优美。灰褐胎，上施白色化妆土。饰以两只猛虎，搏斗于草丛中，花纹空隙处满划珍珠纹铺地。上罩以白釉。珍珠地划花瓷器，为登封窑名产，河南其它地方也争相仿效。
