本刊于1982年第12期刊登《关于采用稀土球墨铸铁脚蹬踏板的建议》一文中,对稀土球铁脚蹬踏板的优点已作详细介绍,但尚有点美中不足之处对该种踏板表面防滑花纹,不仅要有安全、防滑、美观、耐久的要求,还要有排除积水的性能(如清扫时水洗和下 The magazine published in the twelfth in 1982, “on the use of rare earth ductile iron pedal pedals recommendations” article, the advantages of rare earth ductile iron pedal has been described in detail, but there are still some fly in the ointment of the pedal surface of non-slip Pattern, not only have safety, non-slip, beautiful, durable requirements, but also exclude the performance of water (such as cleaning and washing