弹(簧)弓;
Spring bow ( drawing instruments) Application of FHT Collision Proof Crossbeam and Safety Catch Holding Apparatus
弹簧圆规(绘图仪)FHT型弹性防撞梁及缓冲托罐装置的应用
Spring bow ( drawing instruments) Knife, sword equipment materials for spring steel, electricity once bright moon, good flexibility, and support by the masses.
刀,剑器械用料为弹簧钢,电渡日照月亮,弹性好,受到国内外拥护的好评。
Via the travel of the edge shrinking inwards, a bulge of the spring bow positioned in the stick can be pressed, and the simple effect of convenient and safe umbrella closing is achieved.
藉内缩缘之移动可压触位于中棒内之弹弓凸出部,即可达到方便安全的简易收伞效果。
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