pressure-gas extinguisher with separate container
【生活】气压填充物，带气压填充物的灭火器
pressure-gas filling fire extinguisher with pressure-gas filling
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相关词条
pressure-gas extinguisher with separate acid container
pressure-gas extinguisher with pressure container
pressure-gas extinguisher
pressure-gas extinguisher with pressure-gas container
pressure-gas container
two-stage pressure-gas burner【热】
only one pressure-gas container