two-stage tube

The formulation and technology of nitrocotton organic film on the second-stage screen in two-stage series IR image converter tube are described.

论述红外二级串联变像管第二级屏工艺中硝棉有机膜的配方及工艺。

For thread or sticking mastic group, the gastric tube was fixed on the middle of lower lip by the two-step fixation with thread or sticking mastic.

一组为胃管置于下唇中部，采用棉线固定法；二组用粘膏两步固定法；

3-D Coupled Thermo-mechanical Analysis of the Tube Round during Two-Roll Rotary Rolling Process

实心坯二辊斜轧过程三维热-力耦合分析

Tumor recurrence at thoracostomy tube insertion sites: A report of two pediatric cases

胸廓造口术胸导管插入部位的的肿瘤复发：2例儿科病例报道

Methods 58 newborns with acute hemorrhage of upper digestive tract were divided into two groups, i. e. therapeutic group consisting of 32 ones and control group of 26. Addition to routine therapy, the therapeutic group was given local thrombosin perfusion via stomach tube.

方法58例新生儿急性上消化道出血随机分成治疗组32例，对照组26例，治疗组在常规治疗的基础上采用经胃管内注入凝血酶作局部治疗。

The so-called thermal short circuit, means the U-tube heat interference between the two tubes.

所谓热短路，就是指U型管两支管间的热干扰。