1.向上的一笔[一击]
1.an upward or rising movement of a pen or brush, or the mark it makes
2.the upward movement of a piston in a reciprocating engine
1.Since the cut blank will be retained in the die block by friction , some means of ejecting on the ram upstroke must be provided .
由于摩擦会导致切下的毛坯残留在模块里，所以必须在顶出时提供一个向上的冲力。
2.The peak polished rod load occurs near the bottom of the stroke with the start of the upstroke.
最大光杆负荷发生在上行冲程开始时的冲程底部附近。
3.in present designs, upward motion of the slips on upstroke might eventually damage the casing.
目前设计的油管锚，在上冲程中卡瓦上行会损坏套管。
4.During the upstroke, the elbows and wrist flex so the wing partially folds, and the leading edge tilts upwards.
在upstroke，肘部和手腕弯曲，使机翼部分倍，领先的优势，倾斜向上。
5.In just six seconds he was moving seventy miles per hour, the speed at which one's wing goes unstable on the upstroke.
在六秒钟内，他以每小时七十英里的速度运动。在这样的速度下，翅膀向上一举，就会失去平衡。
6.Passenger Transport Special Line Upstroke Type 900T Cased Beam Mobile Model Carrier Bridge-building Machine and Construction Technology
客运专线上行式900吨箱梁移动模架造桥机及施工工艺