试图从人机工程学的角度，来探讨包装开口式提手设计与人手的协调关系，以达到方便省力的目的。
This article attempts to study the suitability of the design of packaging handles from the Angle of man machine engineering with the aim of being easy and convenient to operate.
试图从人机工程学的角度，来探讨包装开口式提手设计与人手的协调关系，以达到方便省力的目的。
This article attempts to study the suitability of the design of packaging handles from the Angle of man machine engineering with the aim of being easy and convenient to operate.
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