單項(xiàng)選擇題
A.126 B.157 C.256 D.450
A.φ19×2×4000 B.φ19×4×4000 C.φ19×2×4500 D.φ19×2×3000
A.φ500×16×6559 B.φ700×16×6559 C.φ900×16×6559 D.φ1000×16×6559