Anchor head sealing method, anchor head sealing replacement method and anchor head sealing cover assembly
The invention discloses an anchor head sealing method, an anchor head sealing replacement method and an anchor head sealing cover assembly, a sealing piece, a pressing plate and a sealing cover which are split are adopted, and the pressing plate presses the sealing piece through cooperation of an in...
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Format: | Patent |
Sprache: | chi ; eng |
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