To ensure a secure connection between the arm and the disc nut, split pin is used.
为了确保臂杆和阀瓣螺母之间的安全连接，使用了开口销。
The invention involves a kind of nut for connecting and fastening. It is used in connecting and fastening the pipeline of indoor unit and outdoor unit of split air conditioner.
本发明涉及一种连接紧固用的螺帽，用于分体式空调室内、外机连接管路的紧固。
The invention involves a kind of nut for connecting and fastening. It is used in connecting and fastening the pipeline of indoor unit and outdoor unit of split air conditioner.
本发明涉及一种连接紧固用的螺帽，用于分体式空调室内、外机连接管路的紧固。
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