衡量某事物的标准a yardstick by which to measure sth在他相信某事物之前要先取得证据.He wanted proof before he would believe something.对某人来说,某事物仍然备受争议.Something remains to be a subject of controversy to sb....
Fixtures are generally mechanical devices used to assist ma - chinking, assembly, inspection, welding, and other manufacturing operations.工装夹具主要是机械制造如机加工, 装配, 检验, 焊接等的一种辅助机械部件.Rolls Royce’s unrivalled experience in high ...