Cat whisker a fine metalthread resembling the arched shape of a cat's whisker used in early radio wave detecting crystal sets.
金属细线一种质地良好的金属线，类似于猫的胡须，呈拱形。早期应用于无线电波检测晶体装置。
2
Metalthread feeding machine is one of the refining equipment outside the steel-making furnace, which is quite important to improve steel-making quality.
喂丝机是炉外精炼设备之一，它对提高钢的质量具有十分重要的意义。
3
The inner surface at one open end of the plastic layer has the thread, and the thread on the plastic layer is connected with the thread on the metal insert.