材料消耗概算定额，主要用于估算建筑工程的材料需用量，为编制材料备料计划提供依据。
参考答案：对
In each inflatable rescue boat , what piece of equipment is provided to make quick , emergency,temporary repairs to a large hole in a raft?（）.
A.No equipment is provided
B.Glue and rubber patches
C.Several various-sized sealing clamps
D.Self-adhesive rubberized canvas patches
