护: protect; guard; shield圈: circle; ring密封: seal; seal up; seal airtight ...圈密封: seal with o-ring防尘圈密封: wiper seal；scraper箭形圈密封: seal by arrow-like ring; seal with arrow-rings胎圈密封胶: bead seal橡胶圈密封: seal with elastometic washer形圈密封: u-cuseal毡圈密封: felt ring seal; felt-ring seal胀圈密封: expansion ring seal; piston ring seal形密封圈密封: o ring seal矩形垫圈密封: coined gasket seal橡胶o型圈密封: seal by elastomeric o-ring橡胶垫圈密封: rubber ring seal橡皮垫圈密封: rubber ring seal座圈密封装置: race seal密封静环护圈: stationary seal ring seal seatretainer线圈密封式继电器: sealed coil relay橡胶圈密封外壳: rubber band sealed outer housing铜垫圈密封的反应容器: copper-gasketed reaction vessel护圈: band guard; guard ring; protecting ring; protective ring; retainer; separator; shroud; sight protector保护圈: backup ring; rings of defense; screen circle防护圈: guard collar; guard-ring球护圈: ball cage; ball retainer
