Those who suffer from OCD would choose to have tattoos. Tree False
参考答案:B
曳引钢丝绳或绳头缆杆,不能和绳孔相碰(应有20~40mm)间隙。通风口应有足够强度的覆盖网。所有机房孔洞应有()mm高台阶。
简述干线调试的基本内容?