drawing back of pillars 后退式回采矿柱
drawing back effect 退情效应
back pull drawing 后张力拉伸
back tension drawing [机] 逆张力拉拔
borehole enlargement by drawing back 回拖扩孔
back pull wire drawing machine 反拉力拉丝机
back drawing roller 后延伸罗拉
back-pull wire-drawing 反拉力拉丝
Drawing back my free hand, I struck the bear as hard as I could for five to six times.
我缩回空着的那只手,使劲地打了那只熊五六下。
Clare goes back to her drawing.
克莱尔又专注于画她的画了。
Quiet activities, such as drawing, reading and crafts, can allow the child to ramp back energy levels and focus on something that is relaxing.
安静的活动,例如绘画、阅读和手工,都能让孩子平静下来并专注于放松。
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