The utility model provides a sealing device of an exhaust system applied to the motor vehicle engine field.
本实用新型提供了一种应用在机动车辆发动机领域的排气系统密封装置。
The utility model discloses a high-altitude fire extinguishing system device structure.
本实用新型公开了一种高层消防系统设备结构。
The utility model relates to the compressor of an air-conditioning system, in particular to a oscillating compressor with an air-supplying enthalpy-adding device.
本实用新型涉及空调系统中使用的压缩机，尤其涉及一种具有补气增 焓装置的摇摆压缩机；
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