常見(jiàn)例句雙語(yǔ)例句Mainly specialized in the production of brush for motor and brush holder assembly, various kinds of special graphite, ceramics and composite materials.主要生產(chǎn)電機(jī)用電刷及刷架總成產(chǎn)品、各種特種石墨、陶瓷以及復(fù)合材料。www.ruango.com.cn 返回 graphite holder