seal by elastomeric O-ring
seal by elastomeric O-ring是什么意思、seal by elastomeric O-ring怎么读
【化】 橡胶O型环密封; 橡胶O型圈密封
seal by elastomeric O-ring汉语翻译
【化】 橡胶O型环密封; 橡胶O型圈密封