最核心的部分是一个“太阳能追踪器”，由废旧的自行车链轮齿、弹簧和石头组成的。
At its heart is a "solar tracker" made of old bicycle sprockets, springs and rocks.
订购时，请指定链轮齿和‘链条编号或美国尼伯科阀门型号和通径。
When ordering specify either the sprocket and chain number or the NIBCO valve figure number and size.
对我公司以往成形铣刀加工链轮齿形存在问题进行分析，介绍改进成形铣刀的设计及改进后的使用效果。
By analysis of tooth profile of chain wheel machined with form milling cutter in our company, an improved design of form milling cutter and the application result after improved are introduced.
应用推荐