丝的材料可以用蛛丝或石英丝。
The material for the threads is spider web or quartz fibers .
丝的材料可以用蛛丝或石英丝。
The material for the threads is spider web or quartz fibers.
熔断管是熔断器的主要部件，它是由熔丝装在瓷管中，并在瓷管中充填石英砂，两端密封而成。
The fuse pipe is the main part of fuse, it is made by installing the fuse wire in the porcelain pipe, filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.
熔断管是熔断器的主要部件，它是由熔丝装在瓷管中，并在瓷管中充填石英砂，两端密封而成。
The fuse pipe is the main part of fuse, it is made by installing the fuse wire in the porcelain pipe, filling the quartz sand in the porcelain pipe and sealing to-ends of pipe.
应用推荐