safety factor 安全系数safety fence 安全栏safety first engineering 安全工程
+electric fences fences to
1 . 电篱笆
farmers may want to put up electric fences fences to enclose grazing areascalled " Peducks " paddocks The peducks paddocks will need water .农民可能想要围绕放牧区建立电篱笆,也就是围场,它需要水。
+fence to fenced backyard
1 . 栅栏的后院
but anyone with a single family house and a fence to fenced backyard could keep as many as 16 chickens and 8 rabbits .但是任何一个拥有一座房舍和带栅栏的后院的家庭就可以养多达16只鸡和8只兔。
+fence fence
1 . 护栏围墙
Export wire fence fence to South Africa any restrictions ?, 出口钢丝护栏围墙到南非有何限制吗?