rotary hydraulic expansion wall scraper

网络释义

1.	水力撑开的井壁刮刀 ... rotary hose 水龙带 rotary hydraulic expansion wall scraper 水力撑开的井壁刮刀；水力扩眼刮刀 rotary inertia 转动惯量 ... center.cnpc.com.cn
2.	水力扩眼刮刀 ... rotary hose 水龙带 rotary hydraulic expansion wall scraper 水力撑开的井壁刮刀；水力扩眼刮刀 rotary inertia 转动惯量 ... center.cnpc.com.cn