海词手机词典

Series HV / HVS Vickers Hardness Tester, that is composed of precision mechanism, optical system and electric technology, is used to measure Vickers hardness of either metallic materials or non-metallic materials.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌