自动铅笔
mechanical pencils───自动铅笔
mechanical testing───机械试验法
mechanical impedances───[力]机械阻抗
mechanical device───[机]机械装置
mechanical heart───机械心脏
mechanical shovel───机铲
mechanical impedance───[力]机械阻抗
mechanical engineer───机械工程师
mechanical drawing───机械制图；机械画
Mechanical Pencil, Refill Leads , Ballpen Wooden Pencil, Eraser, Stationery PlasticPlastic Products.───采购产品笔, 充值线索,圆珠笔木制铅笔, 橡皮擦, 文具.
Porduct: Ball pen, Mechanical Pencil, Fountain pen, Gel pen, Roller pen and pen set.───主营产品：圆珠笔，活动铅笔，钢笔，中性笔，对笔，笔记本等。
His classmates began to write, but the lead inside child's mechanical pencil kept broken.───同学开始写了,大家都一直在写, 可是小孩的自动铅笔芯不停断掉.
you think they should upgrade the mechanical pencil?───你觉得自动铅笔应该再更新吗？
More particularly mechanical pencil unique potential in the world renowned!───尤以活动铅笔更独具潜力，在世界享有盛名！
Mechanical Pencil, Refill Leads , Ballpen Wooden Pencil, Eraser, Stationery PlasticPlastic Products.
- mechanical failure
- mechanical properties
- mechanical device
- mechanical engineering
- mechanical practice
- mechanical property
- mechanically minded
- mechanical energy
- mechanical strength
- mechanical mixture
- mechanical keyboard