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graded seal glass tubing 递级封接玻璃管
The quest for a practical match really began after1781 when a group of French chemists came up with the Phosphoric Candle or Ethereal Match, a sealed glass tube containing a twist of paper tipped with phosphorus. 实用的火柴的寻求真正开始于1978年，当一个法国化学家组织提出含磷的蜡烛或是乙醚火柴，一种密封的玻璃管里放置了一张螺旋状的纸在它的末端有一些磷。
The quest for a practical match really began after 1781 when a group of French chemists came up with the Phosphoric Candle or Ethereal Match,a sealed glass tube containing a twist of paper tipped with phosphorus. 实用的火柴的寻求真正开始于1978年，当一个法国化学家组织提出含磷的蜡烛或是乙醚火柴，一种密封的玻璃管里放置了一张螺旋状的纸在它的末端有一些磷。
A reed switch consists of two ferromagnetic and specially shaped contact blades (reeds) positioned in a hermetically sealed glass tube with a gap between them and in a protective atmosphere. 一个磁簧开关是由两片特定形状且磁性强的(接触)叶片组成。此叶片被封装在一个装有保护气体的密玻璃管。里，而两叶片中间有一道间隔。
A glass tube for enclosing the flame of a lamp. 玻璃灯罩围住灯的火焰的玻璃管
Seal up one end of a glass tube about 34 inches long. 把长约34英吋的玻璃管的一端封闭起来。
Mohr-style pipets are made from glass tubing of uniform bore. Mohr型移液管由孔径均匀的玻璃管制成。
Heat the glass tube to the point that it can bend. 将玻璃管加热，以能弯曲为度。
Analysis on the Influential Factors for Sealed Glass Tube Method to Test the Chemical Stability of Refrigerator Oils 冷冻油化学稳定性密封玻璃管试验法的影响因素分析
The jewellery is displayed in a sealed glass case. 这些珠宝陈列在密封的玻璃橱里。
Fluorimeter rectangular with graded seal 坡度焊接荧光计比色皿
New manufacture processes and new glass forming systems will play a great part in the development of low-temperature seal glass. 新的制备工艺和新的玻璃形成体系将对封接玻璃发展起着十分重要的作用。
It consists of a vertical, tapered glass tube containing a movable weight. 它在垂直的锥形的玻璃管内装一个可以活动的重物。
Quarts glass tubes provided by GE. 灯管采用GE公司石英玻管。
This light consists of a glass tube containing argon and a droplet of mercury. 这种灯是由一根充有氩气和微量汞的玻璃管组成。
A mercurial barometer has a glass tube a little more than 30 inches long. 水银气压表有一长30英寸多一点的玻璃管。
The glass tube ends in a bulb. 玻璃管的末端呈球形。
A mercurial barometer has a glass tube a little more than30 inches long. 水银气压表有一长30英寸多一点的玻璃管。
Unique design to prevent glass tube from being impacted directly by particles. 独特设计,可防止微粒直接撞击玻璃管。
A mercury thermometer is made of a glass tube with a bulb at one end. 凭常识我们知道温度计下面的。