core lifter meaning in English
开口环提芯器
岩芯提取器
岩心提断器
岩心提取器
Examples
- Core lifter case
岩芯提取器 - The extension drill rod which can be used for higher capacity drill , the drill hole can be extended to sezeral meetrs , when drilling the straight hole , the core lifter can help coring
选用加长钻杆于较大能力的钻机，可将钻孔延深至数米，钻垂直孔时，可采用取芯器配合取芯。