After being piled in different ways,beetle infested pine logs (BPL) are thinned into boards at different thickness ( 1 0 cm, 1 5 cm, 2 0 cm and 2 5 cm respectively).

• 将砍伐后以不同方式存放的松树虫害木分别剖成厚度为 1 .；0 cm、1