词汇	Duco cement
释义	Duco cement 硝化纤维素胶泥
随便看	roundness grade Roundness index roundness instrument roundness machine roundness measurement roundness measurement device roundness measuring devicement of stator roundness measuring equipment roundness measuring instrument roundness measuring machine roundness measuring system roundness of particle roundness test roundness tester Roundness Tester Based on ARM roundness testing roundness testing, mechanical roundness testing, optical roundness testing, pneumatic roundness thinking roundness tolerance Round neuropathy round non-buoyant jet roundnose round nose