1) big diameter pit log
大径坑木
1.
It was found that the commercial wood, big diameter pit log and slash of Robinia pseudoacacia Linn stand correlated with the average age (A) of the stand in power function, and correlated with the average diameter D and height H of the stand linearly.
刺槐林分经济材、大径坑木、废材随林分平均年龄变化呈幂函数相关，随林分平均直径、林分平均高变化呈直线相关。
2) Large diameter tree
大径木
1.
Based on the stands structure of natural broad-leaved forest with high-yield large diameter trees, it systemically analyzed three major factors affecting this kind of stands structure: largest diameter tree to leave in stands ( LDT), the relation of the number of trees in one d.
采用省级固定样地和伐区调查设计中小班全林每木样地相结合的方法,以天然阔叶林高产大径木林分结构为载体,详细分析了影响该林分结构的三个主要因子:林木最大保留直径(LDT),相邻径级立木株数之比(q)和林分保留断面积(RBA)。
3) super large diameter deep foundation pit
超大直径深基坑
4) equation of the cavity diameters
最大坑径公式
5) Big diameter timber of Cuninghamia lanceolata
杉木大径材
6) mine timber
坑木
1.
Using electrosmose grouting method, We reinforce the surrounding rock (soil)and mine timber of the ancient copper mine.
采用电渗注浆法,对某古铜矿遗址围岩(土)及坑木进行了保护试验研究,并对其保护效果进行了检测。
补充资料：坑木
矿井里用做支柱的木料。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条