screw washer meaning in English

螺旋垫圈
螺旋洗矿机

Tapping screw washer assemblies with plain washers
带平垫圈的攻丝螺钉垫圈组件
Automotive screws washers
车用螺丝介子
Contact screw washer
接触螺钉垫圈
Chenhao ( shanghai ) machine inc , the branch company of chentai was found in oct of 2003 in order to provide a better service for our customers . the main management digitalinclined disk screw washer assembly machine 、 feeding machine 、 the replenish pail and the related fitting product evenly , its main raw material all imports
随著企业的发展，于2003年10月在上海设立上海振好机械有限公司，以便更好的为用户提供服务，主要经营数控斜盘螺丝华司组合机、振动送料机、筛选机、直线送料机、补料桶及相关配件产品，其主要原材料全部进口。