多孔金属板 meaning in Chinese

expanded metal

Test sieves - part 2 : test sieves of perforated metal plate
试验筛.第2部分:多孔金属板试验筛
1 test sieves - part 2 : test sieves of perforated metal plate erratum 1
试验筛.第2部分:多孔金属板试验筛
Test sieves - technical requirements and testing - test sieves of perforated metal plate
试验筛.技术要求和试验.多孔金属板的试验筛
Test sieving . part 1 : methds using test sieves of woven wire cloth and perforated metal plate
试验筛分.使用机织纱布和多孔金属板试验筛的方法
The method of beam track is introduced to briefly analyze the light - heat property of the surface porous metal plate , and a condideration to adopt the surface porous plate to replace flat plate as the collecting heat plate is proposed
作者通过光线跟踪法多孔板的光热性能作了简单的分析，并设想采用表面多孔金属板代替光滑板作为太阳能集热器吸热板芯。