【单选题】The court would not accept his appeal unless______evidence is provided.(2013-77)
【判断题】投影面垂直线中,在H面上的投影为点的直线为铅垂线。
【单选题】一平面M,在H面上的投影积聚为一条直线,此平面( )是铅垂面。
【单选题】The court would not accept his appeal unless ( ) evidence is provided.
【单选题】The court would not accept his appeal unless______ evidence is provided.
【简答题】如图4-2所示,起居室的门洞M-4:000mm×2000mm,设计做门套装饰。板构造:细木工板基层,柚木装饰面层,厚30mm。板宽300mm;贴脸构造:80mm宽柚木装饰线脚。试计算板、贴脸的清单工程量。
【单选题】一平面 M ,在 H 面上的投影积聚为一条直线,此平面( )是铅垂面。
【单选题】一平面在H面上的投影积聚为一条直线,此平面( )是铅垂面。