常見(jiàn)例句Three concentrations (2.8%, 2.0%, 1.2%) of Ammoniacal Copper Quaternary (ACQ) was selected to treat Lodgepole pine wood for evaluating ACQ treatment on mechanical properties of blue-stained wood. 摘要本文利用三種不同濃度ACQ防腐劑對(duì)扭葉松藍(lán)變木材進(jìn)行浸注處理,其濃度分別為1.;2%25、2Four species, White Spruce (Picea glauca), Engelmann Spruce (Piceaengelmanni), Lodgepole Pine (Pinus contorta), and Alpine Fir (Abieslaciocarpa) comprise the spruce-pine-fir species group. 云杉-松-鐵杉由四種樹(shù)種組成:白云杉、英格曼云杉、小干松和阿爾卑斯鐵杉組成。tall subspecies of lodgepole pine. 柱松一個(gè)樹(shù)身高大的亞種。The rugged forest is crowded with large fir trees and tall lodgepole pines,but they all look like puny twigs compared to the giant sequoia. 在這片地勢(shì)起伏的森林中,高大的冷杉和美國(guó)黑松隨處可見(jiàn),但與巨大的紅杉相比,它們看起來(lái)都如小枝小條一般。The cold air sweetened, banded pebbles and crumbs of soil cast sudden pencil-long shadows and the rearing lodgepole pines below them massed in slabs of somber malachite. 寒冷的空氣漸漸變暖,層巒疊嶂剎那間投下鉛筆一樣細(xì)長(zhǎng)的黑影,山下的松林郁郁蔥蔥,遠(yuǎn)望去象一堆堆陰森恐怖的孔雀石。Keywords Lodgepole pine;Non-destructive testing;Dynamic modulus of elasticity;Static modulus of elasticity; 扭葉松;無(wú)損檢測(cè);動(dòng)態(tài)彈性模量;靜態(tài)彈性模量; 返回 Lodgepole pine