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- double tube parallel tunnel 双孔平行隧道
- Numerical simulation of ground sedimentation caused by double- tube parallel tunnels shielding constructed 双线盾构地铁隧道施工地表沉降数值分析
- Aimming at the problems presented in application of flue dust sampling instrument with auto-pitot tube parallel measurement,a solve method is introduced. 针对自动皮托管平行测速烟尘采样仪在使用中经常出现的几个问题,提出了相应的解决方法,实际应用结果表明,这些方法具有很好的效果。
- Silver head(with clock),double tubing with fittings bag. 银色听头（带时钟）,双管，配件包。
- If hematoma spread to front temporal occipitoparietal,use biforate,double tube to drainage. 如血肿波及额颞顶枕部,则采用双孔、双管引流。
- The presentation of usage of liquid column manometer. The correct-use method and error correction of U-tube manometer and double tube differential pressure gauge were analysed. 主要介绍了液柱压力计的正确使用方法和误差分析。给出了U型管压力计和双管差压计的测量精度。
- Aimming at the problems presented in application of flue dust sampling instrument with auto-pitot tube parallel measurement,a solve method is introduced.Practice indicates that it is effective. 针对自动皮托管平行测速烟尘采样仪在使用中经常出现的几个问题,提出了相应的解决方法,实际应用结果表明,这些方法具有很好的效果。
- CHEN Xian-guo, GAO Bo. 2D FEM numerical simula- tion for closely-spaced parallel tunnels in metro[J].Chinese Journal of Rock Mechanics and Engineering, 2002, 21(9): 1 330-1 334. [5]陈先国; 高波.;地铁近距离平行隧道有限元数值模拟[J]
- Numerical Simulation of Fire in Double Tube Road Tunnel with Transverse Alleyways 具有横通道的双洞公路隧道火灾数值模拟研究
- Left two diagrams are the circuit for single, double tubes with quick starting.Diagrams for three, or four tubes are combined by the ones for single or double tubes. 左二图为采用快速启动镇流器配置快速启动荧光灯管的单、双管电路图,若三、四管灯具则由单、双管分别组合而成。
- Double tube swivel type rotary corer 双管单动回转取土器
- The optical system of the ten tube parallel CO 2 laser welder 十管并联CO_2激光焊接机光学系统
- double tube gas wave refrigerator 双管式气波制冷机
- double tube tunneling excavation 双孔平行隧道
- Ground Vibration Acceleration Test in the Blasting of a Small Spacing Parallel Tunnel 小间距平行隧道爆破震动加速度测试
- STUDY ON MECHANICAL BEHAVIOR AND REINFORCING MEASURES OF MIDDLE ROCK WALL OF PARALLEL TUNNEL WITH SMALL INTERVAL 并设小净距隧道中岩墙力学特征及加固措施研究
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Keywords auto-pitot tube parallel velocimetry;flue dust sampling instrument; 自动皮托管平行测速法;烟尘采样仪;
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
