This timber approximates first-class standard, but it still has some defects.
这种木材差不多是头等材，但它还有些缺陷。
2
The spaces between the chunky wooden columns and beams match the standard sizes of timber boards, so they can easily be divided up into rooms.
粗实的木梁柱与标准尺度的木质板材相互配合，可以方便灵活的划分空间。
3
On the basis of grading, two evaluating methods of timber woodland are advanced, which are standard land-value modified method and land-value model method.