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| canal lock A chamber with gates on both ends connecting two sections of a canal or other waterway, to raise or lower the water level in each section (在运河两端设置的带门的腔室，连接运河的两个区或其它运输水路，用来升高或降低每个区的水位。) | |||
| 运 河水 闸: 2 phrases in 1 subject |
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