optical tube length 光管长度 ; 光学筒长 ; 上产筒长
self-standardized micro-flat optical tube 自准测微平光管
optical quantum counter tube [电子] 光量子计数管
In this paper, the structure and characteristics of ultra-thin optical fiber ribbon and 108-fiber loose tube ribbon-based cable are presented.
在本文中，我们将介绍超薄型光纤带及108芯松管层绞光纤带光缆的结构和性能。
Using the optical temperature control accessory, silica peak height signal was enhanced doubly, reducing atomization time, extending useful time of graphite tube.
利用光学温度控制器使测量硅的峰高信号增强一倍，试验了时间常数、载气流量、常用酸和盐对测硅灵敏度的影响；
The apparatus consists of the standard color plate, optical lens, the light source was observed, colorimetric tube.
本仪器由标准色盘、观察光学镜头、光源、比色管组成。
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