calking compound
... calking chisel 捻缝凿 calking compound 捻料 calking cotton 捻缝棉条 ...
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捻缝填料 calking stuff ; calkage
捻缝料 blare
纺纱和捻线用塑料钩 Spinning plus twisting plastic hooks
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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.
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