白铜冷凝管
white copper condenser tube
标准冷凝管合金
standard condenser tube alloy
黄铜冷凝管
yellow copper condenser tube
冷凝管清洁系统
condenser tube cleaning system
铜合金冷凝管
copper alloy condensate tube
铜镍合金冷凝管
condensation tube of Cu-Ni alloy
直形内芯封口冷凝管
condenser with fused inner tube
管面冷凝器
tubular surface condenser