It looked like a German beer bottle with a ceramic plug, and there was a message inside.
它看上去是个有陶瓷瓶塞的德国啤酒瓶子，而且里面有一封信。
The team has been developing a new approach to the problem: lasers made of ceramic powders that are pressed into spark-plug sized cylinders.
针对这个问题，该团队已经开发出一种新方法：将由陶瓷粉末制成火花塞大小的激光器压入汽缸中。
The development of the ceramic coat plug valve core which substrate USES 45 steel is introduced.
介绍了基体采用45钢，表面喷涂工程陶瓷的旋塞阀芯的研制情况。
Main Purpose: spark plug, electronic substrate, electric vacuum tubes, ceramic boby, etc.
主要用途：火花塞、电子基片、电真空管、电子陶瓷基体、高级耐火材料等。
Main Purpose: spark plug, electronic substrate, electric vacuum tubes, ceramic boby, etc.
主要用途：火花塞、电子基片、电真空管、电子陶瓷基体、高级耐火材料等。
应用推荐