怎么个装法
如图2内壁是光滑的怎么把接头装上https://mag1.sdgun.net/public/emotion/face_wulian.png
http://picapp.sdgun.net/pic/20250715/1752576733366246_250.jpg
http://picapp.sdgun.net/pic/20250715/1752576743176700_51.png
http://picapp.sdgun.net/pic/20250715/1752576761957181_868.jpg
得自己攻螺纹 加热一下接头,生拧
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