electric drill

New design solution and ergonomic design principle for hand electric drill were put forward.

提出手电钻设计新的解决方案和人机设计原则,为设计出符合使用者要求的手电钻提供设计依据。

The former art for electroplating flashlight switches includes ack plating first in a Zn-Cu alloy cyanide based bath and then in chromium plating bath, resulting in low efficiency and high waste-treatment cost.

手电筒开关小零件电镀过去采用电镀氰化锌铜合金然后挂镀铬的工艺，生产效率低，三废治理费用大。

An automatic intelligent handrail elevator, which is designed with intelligent structure and materials, can control the electric motor work or stop according to a person on or off.

利用智能结构材料 ,设计出一种新型的全自动智能扶手电梯 ,可以感知载物存在后命令电机开始运行 ,电梯输送载物到达目的地 ,确认载物离开后又命令电机停止。

Two types of handshaking circuits are proposed to implement the asynchronous communication between two processing elements in the wavefront array processors.

提出两种新型的握手电路 ,用于完成波前阵列处理单元间的异步通信 。