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支架为维护围岩稳定和保障工作安全采用的杆件式结构物和整体式构筑物的总称。根据材质不同可分为木支架、金属支架、砖石支架、混凝土支架、钢筋混凝土支架等, 根据形状不同可分为梯形支架、矩形支架、拱形支架、马蹄形支架、圆形支架、椭圆形支架等。在聚能爆破中,支架的作用是保证最佳炸高。最佳炸高根据聚能弹设计决定:一般是药型罩底部直径的1support3倍。―vt <-> 支撑
expl. support
支架支撑
tech. cradling
支架 。―vt <-> 支撑: 144 phrases in 25 subjects
Advertising1
Animal husbandry1
Architecture5
Automobiles11
Aviation1
Bridge construction4
Business1
Computer numerical control1
Drilling1
Electronics4
Engineering geology1
General7
Hydroelectric power stations4
Metallurgy5
Navigation1
Nuclear and fusion power1
Oil / petroleum4
Project management1
Rail transport3
Scuba diving1
Skydiving1
Space1
Steel production3
Technology80
Weightlifting1