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竖井施工方案
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single-line operation
单行作业
竖井施工时,将井筒划分为若干段高,自上而下逐段施工,或在同一段高内,按照掘、砌先后顺序交替进行的施工作业方式。又称顺序作业。
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hydro-chemistry of river
hydrochloric acid
hydrochloric acid-sodium hydroxide decomposition of rare earth concentrate
hydrochlorination
hydrochlorofluorocarbon
Hydrochlorofluorocarbon refrigerants
hydrocinnamic alcohol
hydrocleaning
hydroclone
hydrocole animal
hydroconsolidation
hydrocooler
hydrocortisone
hydrocracked tail oil
hydrocracking
hydrocyanic acid
hydrocyclone feeding density control
hydrocyclone feeding pressure control
hydrocyclones
hydrocyclone technology for sewage treatment
hydro-cylinder
hydrodiascope
hydrodrill
hydroduct
hydrodynamic
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