A.0.7~3.5B.0.7~3C.0.6~3.5D.0.6~3.28
A.0.4B.0.5C.0.6D.0.7
A.防渦板、吹洗管B.清砂孔、破泡網(wǎng)C.防渦板、破泡網(wǎng)D.清砂孔、吹洗管