bottom road bridge
常见例句
- The utility model relates to an anchor capable of locking the bottom of a prestressed steel strand which can be arranged in concrete of side wall of a road bridge U-shaped bridge abutment.
本實用新型涉及一種安裝於公路橋U型橋台側牆混凝土內部的能夠鎖定預應力鋼絞線底 耑的錨具。
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