The practical value of knowledge resources possesses popularity , duality of exhaustiveness and non exhaustiveness, and expansivity.知识资源的使用价值具有广普性、非耗竭与耗竭二重性及扩张性....
这张快照印出来不太清楚.This snapshot hasn't printed very well.摄影师给他拍了一张很棒的快照.The photographer snapped a nice photograph of him.她在小男孩拉小提琴时给他拍了一张快照.She snapped the boy when he was playing the violin....
无加强, 超级强韧, 聚对苯二甲酸丁二酯树脂注塑.Unreinforced, Super Tough, black polybutylene terephthalate resin for injection molding.无加强, 中高粘度聚对苯二甲酸丁二酯树脂的挤出和注塑成型.Unreinforced, medium high viscosity polybutylene terephthalate resin for extru...