Z41H-40C DN32铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN40铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN50铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN65铸钢法兰耐高温闸阀高压锅炉蒸汽油 ¥101.00 Z41H-40C DN80铸钢耐高温法兰闸阀手动蒸汽锅炉导热油碳钢阀门 ¥101.00 Z41H-40C DN100铸钢法兰手动闸阀耐高温锅炉蒸汽导热油碳钢阀门 ¥101.00