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xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh MCJA-11 12-16-5 10 15 2025 30 40 50 100M, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh MCJA-11 12-20 25-5 10 15 20 25 30 40 50 75 100M, xi lanh-pit tong-Cylinder-piston-xy lanh Xi lanh MCJA-11 12-20-10-20-30-40-50-60-70-80-90M