基本解釋[商業(yè)]商品材林地英漢例句雙語例句The causes of decrease in quality of commercial timberland base were analysed and the way to solute the problem was offered.作者對商品材基地質(zhì)量下降的原因進行了分析，提出了對策。commercial timberland更多例句專業(yè)釋義商業(yè)商品材林地