The timbering was lowered by 3 mm more .

然后支架又降下3毫米。

Application of root pile timbering system in nanjing region .

树根桩支护体系在南京地区的应用。

Go to yun gui to investigate case of colliery driving timbering .

赴云贵调查煤矿掘进支护情况。

The crane elevated the timbering upto the upstairs .

起重机将建筑用材吊到楼上。

Jiangsu kps wool timbering science technology co.

江苏科博世羊毛建材科技有限公司。