If we drill holes in strategic locations, we compromise the load-carrying capacity of the wall.
如果我们在关键位置钻孔,墙的承重强度就会降低。
2
Iff we drill holes in strategic locations, we compromise the load-carrying capacity of the wall.
如果我们在关键位置钻孔,墙的承重强度就会降低。
3
By the contrast experiment of 2bmd-12 specific row No-till dill and JD1590 No-till drill in their straw covering field, the capacity of apply fertilizer and ratio of performance and price.