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同心管
精密蒸馏
柱
tech.
concentric tube column
;
concentrical tube column
同心管柱
精密分馏柱
chem.
concentric tube column
同心管柱
oil
concentric-tube column
(精密柱)
同心 管柱
:
7 phrases
in 2 subjects
Oil / petroleum
6
Technology
1
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