upwarp
1. Problem Analysis on End PE Upwarp of 3PE Pipes
3PE防腐管管端涂层翘边缺陷分析
2. Thus my friends, from now on, try to widen our hearts, upwarp corners of your mouths and open your arms to welcome tomorrow.
把心放宽一点,把嘴角再扬起一点,张开手臂迎接明天。