指形冷凝器
cold finger type condenser
指形管燃油式
thimble tube-oil-fired type
指形管组合式
thimble tube composite type
球形内管冷凝器
condenser with bulbed inner tube
直形内芯封口冷凝管
condenser with fused inner tube
氨水冷凝冷却器
ammonia condensation cooler
白铜冷凝管
white copper condenser tube