无桩尖管桩锤打过程易造成管桩移位、内伤、断桩、嵌岩差、持力层锚固长度小。
Shift, internal injury, breaking, bad imbedded in rock, as well as short anchorage distance etc.
我们常用弯头(管、兰、通、小关)为一种管件。
We usually use elbow (bend, flange, tee, reducer) as a kind of pipe fitting.
我们常用弯头(管、兰、通、小关)为一种管件。
We usually use elbow (bend, flange, tee, reducer) as a kind of pipe fitting.
应用推荐