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- These metals may be purified by a technique called zone refining. 这些金属可以用所谓“逐区提纯法”来提纯。
- multiple electron gun zone refining 多电子枪区域精炼
- A section of heavy walled tubing that is placed across any perforated interval through which the production tubing must pass, such as may be required in multiple zone completions. 置于任一射孔层段的一段厚壁油管，这时生产油管必须通过此射孔层段，如在多层完井中所要求的。
- UFAD system supply air path might consist of a single zone splitter connecting to multiple zone supply plenums which in turn could each supply one or more conditioned zones. 对于UFAD系统，送风路径应该包含一个连接到多区域送风静压箱的单一区域分离器，该送风静压箱可以连接多个空调区。
- zone refining unit and equipment 区域提纯设备和装置
- electron beam zone refining furnace 电子束区域熔炼炉
- micro-scale zone refining apparatus 微量区域提纯设备
- temperature-gradient zone refining 温度梯度的区熔提纯
- Multiple zone open hole gravel pack 多层裸眼井砾石充填
- pseudo-continuous refining zone refining 假连续区熔提纯
- The Calculation and Analysis on Zone Refining of Rare Earth Metal 区熔提纯稀土金属的理论计算与分析
- He is the person with multiple injuries. 他就是那个多处受伤的人。
- The Norwegians live in a comparatively cold zone. 挪威人生活在比较寒冷的地区。
- Friendship multiple joy and divide grieve. 朋友之间，欢乐同享，苦难同当。
- We use the hall for multiple purposes. 这个大厅我们派多种用途。
- Supplies were parachuted into the earthquake zone. 救援物资已空投到地震区。
- Some people live in Torrid Zone. 有些人生活在热带。
- A multiple crash can often be seen on that motorway. 那条公路上的联环撞车事故很多。
- I'd like to see Europe as a nuclear-free zone. 我希望欧洲成为无核区。
- The troops detrained near the battle zone. 部队在战区附近下了火车。
