被覆金属蛇管
6.51012.315.720.526.334.539.851.46377100.2
710.512.816.221.126.835.140.45263.777.8101.5
1114.516.520.525.932.341.247.760.773.588.2110.8
11.515172126.432.841.848.261.47489111.3
1005050505050302520101010
裸金属蛇管