英语语法分析

Oil-absorptive material from Chinese fir thinnings are developed and its absorptive effects are also studied.

研制出了杉木间伐材炭化物吸油材料，同时对其吸油能力的影响作了研究。

Plywood, and particularly plywood made from underutilized forest thinnings, is an excellent construction material.

胶合板，特别是由未经开发的细木材制成的胶合板，是一种绝佳的建筑材料。