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shrinkage hole | |||
contraction cavity; shrinkage cavity; sink hole; sinking hole | |||
sinkhole | |||
shrink hole; tapered hole | |||
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shrink hole; shrinkage hole |
收缩孔 : 20 phrases in 6 subjects |
Engineering geology | 1 |
General | 1 |
Hydroelectric power stations | 3 |
Metallurgy | 2 |
Oil / petroleum | 3 |
Technology | 10 |