1. medium staple fibre：medium square file 中方锉 | medium staple fibre 中长纤维 | medium steel 中硬钢
2. medium length fibre：medium leaded brass 中铅黄铜 | medium length fibre 中长纤维 | medium mounted harrow 悬挂中耙
3. mid fibre：mid autumn festival lantern 中秋灯 | mid fibre 中长纤维 | mid-carbon fe-mn 中碳锰铁
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4. mezlonga fibro：防燃纤维 antiblura fibro | 中长纤维 mezlonga fibro | 超长纤维 superlonga fibro