铅芯 meaning in Chinese

lead for retractable pencil

Pencils , coloured pencils and leads for them
铅笔彩色铅笔及所使用的铅芯
Black leads for wood - cased pencils . classification and diameters
木质外体铅笔的石墨铅芯.分类和直径
Flat - loop effect and hysteresis property of the rubber bearings
铅芯橡胶支座滞回曲线的扁环现象及其恢复力模型
Effect of the lrb parameters on the dynamic response of isolated bridges
铅芯橡胶支座参数对隔震桥梁动力响应的影响
Leads for mechanical pencils
自动铅笔的铅芯

More: Next