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Building model trains is his consuming passion.
制作模型火车是他废寝忘食的爱好。
youdao
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The utility model relates to an even load test device of star type gear trains.
本实用新型涉及一种星型齿轮系均载测试装置。
youdao
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The utility model relates to an even load test device of star type gear trains.
本实用新型涉及一种星型齿轮系均载测试装置。
youdao