A.30° B.45° C.60° D.90°
A.4對(duì) B.2對(duì) C.1對(duì) D.3對(duì)
A.HSE管理規(guī)劃 B.HSE管理評(píng)審 C.方針和戰(zhàn)略目標(biāo) D.領(lǐng)導(dǎo)和承諾