A.5% B.10% C.15% D.20%
A.固定碼頭 B.多浮筒系船系統(tǒng) C.塔式系船系統(tǒng) D.單點系泊系統(tǒng)
A.100% B.80%~85% C.75%~95% D.65%~75%