基本解释[机械工程]桑蚕绢词组短语短语Mulberry spun silk fabrics 桑蚕绢丝织物Mulberry spun silk yarn 桑蚕绢丝mulberry spun silk 桑绢Mulberry spun silk raw 桑蚕绢纺原料Mulberry spun silk on cones 筒装桑蚕绢丝spun mulberry silk更多词组专业释义机械工程桑蚕绢