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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
Advertising
1
Animal husbandry
1
Architecture
5
Automobiles
11
Aviation
1
Bridge construction
4
Business
1
Computer numerical control
1
Drilling
1
Electronics
4
Engineering geology
1
General
7
Hydroelectric power stations
4
Metallurgy
5
Navigation
1
Nuclear and fusion power
1
Oil / petroleum
4
Project management
1
Rail transport
3
Scuba diving
1
Skydiving
1
Space
1
Steel production
3
Technology
80
Weightlifting
1
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