Water stopping and leaking stoppage structure and water stopping and leaking stoppage method for lock catch steel pipe pile cofferdam
The invention discloses a water stopping and leaking stoppage structure and a water stopping and leaking stoppage method.The water stopping and leaking stoppage structure comprises a first semi-arc-shaped plate, a second semi-arc-shaped plate and a third semi-arc-shaped plate, and the inner concave...
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Format: | Patent |
Sprache: | chi ; eng |
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