tube closing meaning in English

管的封密

It consists of a flattened brass tube closed at one end and bent into a circular form .
它是由一端封闭并弯成圆弧形的扁黄铜管构成的。
A direct display occurs , for example , by means of a capillary tube closed system , that sits on the temperature scale machine thermometer , clinical thermometer etc .
直接显示的例子是由一个刻有刻度指数的毛细管封闭系统，比如机械温度计，体温计等等。
A high - pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown
由一根一端封闭的纤细管子组成的高音木管乐器，侧边有按键和指孔，靠近封闭端有一个使气流进入的开口。
The experiment set we are researching on is composed of four sections , namely remote control through coded radio , tube close driven by a electromotor , tube disjunction pushed by a electromagnet and power supplied by a single - phase dry - type transformer
本实验装置主要由四部分构成，即密码无线遥控、电动机拖动熔管合闸、电磁铁推斥熔管分断、单相干式变压器供电。