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填料一般用浸油或涂有石墨的石棉绳。
Filler generally Baptist oil or graphite coated with asbestos rope.
youdao
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填料一般用浸油或涂有石墨的石棉绳。
Fill with the Baptist General coated with oil or graphite asbestos rope.
youdao
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填料一般用浸油或涂有石墨的石棉绳。
Fill with the Baptist General coated with oil or graphite asbestos rope.
youdao