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to phrases
upper sample
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busin.
上层样本
eng.geol.
上层试样
f.trade.
上部样品
met.
上部
顶层
试样
;
顶层试样
tech.
上层
土
样
;
上部试样
;
上层
取的
试样
upper sample
:
2 phrases
in 2 subjects
Oil / petroleum
1
Technology
1
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