A.風(fēng)險(xiǎn)分析B.風(fēng)險(xiǎn)識別C.風(fēng)險(xiǎn)應(yīng)對D.風(fēng)險(xiǎn)控制
A.5mm B.9mm C.12mm D.15mm
A.80% B.85% C.90% D.95%