After installing the packing ring, twisted tight bolts, and confirmed with the filler material to build the right side junction box.
在安装填料环之后，扭紧螺栓，并确认料盖与填料箱面正确接合。
PTFE woven packing sets: twisted into threads from F4 raw material belts, before woven and shaped into products.
聚四氟乙烯编织盘根：是用纯f 4生料带捻成线，经编织、压制定型而成。
PTFE woven packing sets: twisted into threads from F4 raw material belts, before woven and shaped into products.
聚四氟乙烯编织盘根：是用纯f 4生料带捻成线，经编织、压制定型而成。
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