m type tube 型电子管
o type tube 型超高频电子管
m type tube m 型电子管
o type tube o 型超高频电子管
glass-type tube 玻壳管
cell type tube 单元式电子管 ; 电池式电子管
card-type tube tester 卡片式真空管试验器 ; 卡片式电子管试验器
High precision special type tube is widely used in many fields such as weapon, spaceflight and nuclear energy etc.
高精度的特殊管道在兵器、航天、核能等诸多领域内有着广泛的应用。
This paper studied the influence on instabilities of U type tube with different placement experimentally and theoretically.
从实验和理论两方面研究了不同布置方式对加热U型管不稳定性的影响。
Conclusion: o type tube group peritoneal dialysis can reduce the incidence of peritonitis and improve the quality of life in dialysis patients.
结论：O型管组能显著减少腹膜炎，提高透析病人的生活质量。
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