“环形的”造句

山为环形的破火山口洼地环抱着.
The mountain is encircled by the doughnut - shaped depression of the caldera.

如果轴是倾伏的, 就会产生环形的或锯齿状的山脊与山谷.
If the axis plunges, loop - shaped or zigzag patterns of ridges and valleys result.

该设备的目的就是为了判定径向和环形的低、中电压电流短路.
It is intended for radial and looped low and medium - voltage circuits.

• #环形的