A.2 B.3 C.4 D.5
A.應將網(wǎng)子上下、中間都綁在網(wǎng)柱上 B.網(wǎng)子上下綁在網(wǎng)柱上就可以 C.應將網(wǎng)子綁在網(wǎng)柱上，網(wǎng)柱和網(wǎng)之間不能有空隙 D.只要固定在網(wǎng)柱上
A.14.723 B.14.732 C.13.366 D.13.732
