目录简介 | Contents 1 General 2 Basic requipments 3 Arc furnaces and submerged arc furnaces 4 Low-frequency induction electroheat equipment 5 Medium-frequency induction electroheat equipemnt 6 High-frequency induction electroheat equipment 7 Resistance furnaces Appendix 1. Difinitions Appendix 2. Explanation of words in this code Additional Explanations: Names of chief editorial unit, participating units and main drafting staffs |