pressed;pressing
pressed;pressing-
Should all nations help establish a global university for the sake of solving the world 's pressed ( pressing ?) problems ?
你说需不需要提供国际化的合作对于处理这些问题的有利之处呢？
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The metallographic microscope is used to observe the longitudinal and transverse sections for 11 specimen fins pressed at different pressing times . When the mould wear stage is the excessive wear stage , fin surface burrs increase and the surface roughness becomes larger .
采用金相显微镜，对不同冲压次数时的11组翅片形状的横向和纵向剖面进行观察，在模具过激磨损阶段内，冲压翅片的表面毛刺增多，表面粗糙度增大。