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水泥伞
释义
水泥伞
Encyclopedia
工学
套管程序
释
cementing basket
水泥伞
由锥形橡胶或帆布筒和弹性支撑筋制作而成的固井工具。
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Urd
Urdu language
URE
urea
urea acetaldehyde
urea aldehyde slow release fertilizer
urea-ammonium mixed nitrogen fertilizer
urea ammonium nitrate solution
urea cycle
urea formaldehyde
urea formaldehyde resin
urea-formaldehyde resin
urea-formaldehyde resins
urea herbicide
urea phosphate
Ureaplasma urealyticum infection
urea poisoning
urea prilling tower
urea resin
urease
urediniospore
uredinium
urediospore
uredium
uredosorus
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