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单词
wall off
释义
wall off
[`wȯl `ȯf]
ENGINEERING
To seal cracks or crevices in the wall of a borehole with cement, mud cake, compacted cuttings, or casing.
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floating-point routine
floating-point system
floating reticle
floating rib
floating roof
floating sand
floating scraper
floating signal
floating zone refining
floatless level control
float level
float mineral
floatoblast
float switch
float-type rain gage
float valve
floc
floccose
flocculant
flocculate
flocculating agent
flocculent
flocculonodular lobes
flocculus
floccus
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