1) Logs for direct--Pit-props
直接用原木 坑木
2) 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。
3) no pitwood
无坑木
4) pitprop bracket
坑木支架
5) 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。
6) ancient lumber
古坑木
1.
On the present state of ancient lumber preservation in ancient mine remains of Tonglushan and the cause of its decay;
铜绿山古铜矿遗址古坑木保存状况及朽坏原因分析
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