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| 雁列式的; 梯形; 布置的两个变体分别为“V形布置”和"露天矿V形布置" | |||
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| 雁列状 | |||
| 布置图一种雷管延时布置,它造成起爆时的爆破抵抗线〈实际抵抗线〉与初始自由面形成一定的夹角 | |||
| 雁列式的; 梯阵式的 | |||
| 梯形状 | |||
| en-echelon: 41 phrases in 8 subjects |
| Aviation | 1 |
| Desert science | 4 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 4 |
| Space | 3 |
| Technology | 21 |