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| 浮体闸〔活动坝〕 | |||
| 开合坝闸坝; 斜撑闸板坝; 浮体闸; 开合式闸坝; 熊阱式坝; 浮体活动坝; 人字式活动坝 | |||
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| 开合式闸坝熊阱堰 | |||
| 熊阱坝堰 | |||
| bear-trap dam: 2 phrases in 1 subject |
| Technology | 2 |
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