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We also measured the displacement of major bridge construction for line type precision.
为保证成桥线，对主桥施工进行了位移监测。
youdao
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In this paper, a new type positive displacement compressor is advanced.
提出一种新结构形式的变容压缩器。
youdao
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In this paper, a new type positive displacement compressor is advanced.
提出一种新结构形式的变容压缩器。
youdao