triplelength working

同义词释义

1)triple-length working,三字长工作法2)triple-length working,三倍字长工作3)triple-length working,三倍长工作4)multiple-length working,多倍字长工作5)six words" safety production working method,"六字"安全工作法6)"51"mechanic's operatingrules,五三保全工作法