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wheelchair ramp
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在宽度、坡度、高度、地面材质、扶手形式等方面方便乘轮椅者通行的坡道。
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diversification
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Diversification Strategy
diversification theory
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diversified scenery on stage
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diversion and closure technology for water conservancy construction in ancient China
diversion channel
diversion dike
diversion gaps along the Jingjiang section in the middle reaches of the Yangtze River
diversion headwork
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diversion type hydropower station
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