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intermediate casing [,ɪntə'mi:dɪeɪt keɪsɪŋ]
auto. 中间壳
dril. 技术套管
nautic., tech. 中间机匣
oil 中层套管; 中间套管
intermediate casing
: 6 phrases in 3 subjects
Drilling2
Oil / petroleum3
Technology1