【机】防冻龙头

antifreezing hydrant

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相关词条

antifreezing agent DEG

antifreeze liquid【车辆】;antifreeze solution【车辆】;antifreezing fluid【车辆】

water tank antifreezing steam pipe【船】

antifreezing compound (antifreeze)

antifreezing agent

antifreezing【化工】

antifreezing lubricant

antifreezing cement【建】