小男孩喜欢在新铅笔杆上直的,或是绕着笔杆刻下棋盘般的方格图案。
Little boys like to carve a checkerboard pattern down the length of a new pencil and all the way around it.
铅笔原料主要有铅笔杆用料、石墨铅芯原料、颜色铅芯原料和外观装饰用料等。 铅笔杆用料主要包括木材和胶合剂。
Pencil raw material mainly has the lead penstock needed materials, graphite lead raw material, color lead raw material and the outward appearance decoration needed materials and so on.
铅笔原料主要有铅笔杆用料、石墨铅芯原料、颜色铅芯原料和外观装饰用料等。 铅笔杆用料主要包括木材和胶合剂。
Pencil raw material mainly has the lead penstock needed materials, graphite lead raw material, color lead raw material and the outward appearance decoration needed materials and so on.
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