A.2臺10t龍門吊 B.3臺10t龍門吊 C.2臺20t龍門吊 D.3臺20t龍門吊
A.800mm的2條道碴 B.700mm的2條道碴 C.700mm的3條道碴 D.800mm的3條道碴
A.≤1.0 B.≤2.0 C.≤3.0 D.≤4.0