
Conveyor Belts - Determination Of Elastic And Permanent Elongation And Calculation Of Elastic Modulus (Iso/Fdis 9856:2016)
出版:Polish Committee for Standardization

专家解读视频
Conveyor Belts - Determination Of Elastic And Permanent Elongation And Calculation Of Elastic Modulus (Iso/Fdis 9856:2016)
出版:Polish Committee for Standardization
专家解读视频