prevailing torque type hexagon nuts with flange (with non-metallic insert)非金属: nonmetal; metalloid嵌: inlay; embed; set件: piece; article; item六角: hexagonal法兰: flange下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:非金属嵌件六角法兰面锁紧螺母,即可在微信中查询翻译