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containing
套管扶正器
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in specified order only
Subject
Chinese
English
oil
双弓交错型
套管扶正器
double reverse bow centralizer
oil
双弓形
套管扶正器
double bow centralizer
oil
套管扶正器
casing centralizer
dril.
套管扶正器
cementing centralizer
dril.
套管的螺旋扶正器
coaxial spiral
oil
旋流
套管扶正器
fluidmaster centralizer
dril.
直形滚轮
套管扶正器
straight idler wheel casing centralizer
dril.
螺旋滚轮
套管扶正器
spiral idler wheel casing centralizer
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