the torso and head are the hardest to "erase"! ) Staying on your back, aim to sink loosely into the mattress until you feel it is time to roll into your desired position.
在背部停留，目的是离床垫放松向上抬起直到你感觉到背部抬起到你渴望的高度。
2
By using small Angle rolling, we can erase round head of plate and increase economic benefits.
采用微角轧制法可以消除钢板圆头，减少切损，增加经济效益。
3
Bring your head over here and I'll erase Amyloo out of it.