钢化玻璃绝缘子接地侧裙边距接地体的距离困难值不小于()。
A、75mm
B、150mm
C、50mm
D、100mm
参考答案:A
.
He has an extraordinary talent ______ painting and his works have been ______ display throughout the country .
A for in ; B in on ; C for on ; D with on
系统内资金调拨,有权人审批须在()上审批。