China has sent 283 contestants to compete at WorldSkills since 2010, winning the nation 93 golds, 41 silvers and 28 bronzes in total. Learning skills has not only shaped individuals' lives and careers ...

海绵泡沫压缩应力试验将试样置于上、下压盘间，上压盘以规定速度向下压缩一定尺寸的试样至国家标准要求的A法（B法、C法）所规定的凹度时，其上的荷重元将感应到的压力反馈给控制器处理并显示，从而测得海绵、泡沫等试样等材料的压陷硬度。