An ancient Chinese drawing shows the use of a lever to facilitate the operation of the mortar and pestle (Figure 6).
一幅古代中国画中展示了使用杠杆推进臼和杵的操作(图6)。
The CD-HSS box drawing experimental device included four parts of die structure, lever mechanism, hydraulic and electric control system were designed based on the CD movement principle.
基于可控拉深筋运动原理设计了可控拉深筋高强度钢板盒形件拉深实验装置，该实验装置分为模具结构、杠杆机构、液压及电气控制系统四部分。
I'm always up for a challenge " the founder of Microsoft said in his highly-produced challenge video while drawing sketches for an ice-bucket-dump lever."
在精心制作的挑战视频中，微软创始人比尔•盖茨一边为挂冰桶的杠杆绘制图纸，他还一边说到，“我总是做好准备接受挑战。”
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