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- four gun tube 四枪电子束管
- A Regiment will generally have three or four gun batteries under command. 一个团一般配备三或四排炮待命。
- It may be used to determine the effects of bore curvature, thermal deflection of the tube, eccentricity of the projectile, interior ballistics data and construction of gun tube on dispersion error. 可用于确定内膛弯曲度、身管热变形、弹丸偏心率、内弹道诸元和身管结构等对射弹散布的影响。
- A kind of high precision auto-centering device design for gun tube internal bore parameter surveying instrument is described, and the working principle,design principle and centering precision to be realized for this kind of centering device are given. 介绍了一种用于火炮身管内孔参数测量仪的新型自动定心装置设计;给出了这种定心装置的设计思想、工作原理和所达到的定心精度.
- Redruth took four guns and went on deck with Trelawney and the captain . 雷德拉斯拿了四枝枪和屈利劳尼及船长一起上了甲板。
- Performance Study for Star Section Gun Tube 星形截面身管性能研究
- optical inspection instrument of gun tube 炮管光学检测仪
- Study on Vibration Reaming Small Caliber Gun Tube 小口径火炮身管振动铰削的实验研究
- GUN TUBE LIFE ANALYSIS AND COMPUTATION 火炮身管寿命分析与计算
- inside-wall temperatures of gun tube 枪膛内壁温度
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- TECHNOLOGY RESEARCH ON LASER HARDENING OF GUN TUBE BORE SURFACE 火炮身管内表面激光强化处理技术研究
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
