管网七氟丙烷灭火系统 QMQ4.2/100N-DY
≤950 Kg/m3 4.2MPa 气体覆盖
100L七氟丙烷
管网七氟丙烷灭火系统 QMQ4.2/150N-DY
≤950 Kg/m3 4.2MPa 气体覆盖
150L七氟丙烷
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