Lastly, the paper simulates bolt timbering of the laneway along the gob.最后, 分析模拟了沿空巷道的锚杆支护情况.The crane elevated the timbering upto the upstairs.起重机将建筑用材吊到楼上.The Tonglu Mountain Copper Mine used an elaborate system of tim...

timbering的音标：timbering的英式发音音标为：['tɪmbərɪŋ]timbering的美式发音音标为：['tɪmbərɪŋ]...

n.木材，建筑用材，木材桁构，撑材...