室外管道沟槽施工下管时,对于管节较短的混凝土管、陶土管,一般不可采用()。
A.压绳法
B.三脚架法
C.流管法
D.机械下管法
参考答案:C
The village is ______what it looked like when they settled their homes there 20 years ago. [ ]
A. not any longer
B. no longer
C. no more
D. not any more
话费管家业务编辑短信5112发送到10086根据开通话费管家可选包二。()