电缆埋地敷设是埋入一条深度()左右,宽度0.6m左右的沟内。
A. 0.4M
B. 0.6M
C. 0.8M
D. 1.0M
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战略管理的组织自我评价过程所评价内容的包括:()、()。
碘过量可导致自身免疫性甲状腺炎和甲状腺功能减退症的患病率增加。
A. 正确
B. 错误
In machinery space, the valves, pipes should be()
A. arranged as close to each other as possible to save space
B. arranged far away from each other for convenient operation
C. be fixed or clamped to avoid vibration
D. kept easy removable as to convenient repairing work