1) single swiveling double-tube core barrel
单动双管取心器
1.
In allusion to traditional single swiveling double-tube core barrel problems of relative poor inner and outer tube concentricity,damageable bearing,no feed slurry sand setting device,easy block up clearance between tubes,low coring efficiency,thus the DJ type single swiveling double-tube core barrel has developed.
针对传统的单动双管取心器存在的内外管同心度差、轴承容易损坏、没有滤浆沉砂装置、双管间隙容易堵塞、取心效率低等问题,研制出DJ型单动双管取心器。
2) swivel type double tube core barrel
单动双管取芯器
1.
In order to take out the core of outburst coal seams, and use the index of methane expansion energy initially released to forecast the fatalness of outburst, the paper analyzes the underground coring technology based on swivel type double tube core barrel.
为取出突出煤层的完整煤芯,使用初始释放瓦斯膨胀能指标对煤层进行突出危险性预测,本文以单动双管取芯器为例,对井下突出煤层取芯工艺进行研究。
3) single-rotary three-barrel soil catcher
单动三重管取土器
5) transmitting by single pipe
双管单动
6) vibracorer
振动取心器
补充资料：管取
1.包管。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条