A.周邊眼間距 B.二圈眼間距 C.裝藥量 D.周邊眼密集系數(shù)
A.5M B.10M C.15M
A.1000 B.1500 C.2000
A.平 B.同 C.直 D.齊
A.0.1MPa B.0.25MPa C.0.35MPa