英语词汇“pilot hole of shaft, test hole of shaft”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pilot hole of shaft, test hole of shaft
释义	pilot hole of shaft, test hole of shaft 井筒检查孔；新井开凿前；为核实井筒剖面资料,编制施工设计方案,在井筒附近追加施工的钻孔。
随便看	Offense is the best deffense offense of robbery offense of smuggling Offense of theft Offense Only Fighter offense play offense-reporter offensive act offensive action Offensive actions in sports offensive activities offenseless offensensitivity Offense of abandon Offense of abruption offense of arson offense of betraying state secrets offense of bribery Offense of Bribe Taking offense of causing traffic casualties offense of defacing public property offense of disclosing military secrets offense of embezzlement offense of escape offense of false evidence