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凹口跌水
meaning in Chinese
notch drop
Related Words
跌水陡槽
凹
椭圆凹
地槽凹
凹痕打凹
窝凹
成凹
球凹
凹坡
凹损
凹口冲头
凹口床台
凹口断裂试验
凹口法
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