花椒籽剥壳机的设计
the bunge pricklyash seed peeling machine
莲子脱壳机设计与试验
Experimental Research of a Lotus Seed Sheller
握把部人机设计
ergonomic analysis of the handle
无人机设计
unmanned aerial vehicle design
基于能力的设计原理
philosophy of capacity design
花生脱壳性能
performance of peanut shelling
简易花生收获机的设计
Design on Simple Peanut-harvester
便携式割草机的设计
Design on Portable Mowing Machine
仿形雕刻机的设计
profiling carving machine design