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New Sample inspect and approve;
样品检验和批准；
youdao
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Watch pressure test process, inspect nameplates and monitor trial sample test reports.
见证压力试验过程，检查产品名牌，监督产品试板报告。
youdao
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Watch pressure test process, inspect nameplates and monitor trial sample test reports.
见证压力试验过程，检查产品名牌，监督产品试板报告。
youdao