stationary inner-tube core barrel的意思|示意

双动双层岩心管 ... 单动双层岩心管 core barrel of double tubeswivel type; doubletube swivel type core barrel; floating-tube core barrel; swivel barrel; swivel-tube barrel; swivel-tube core barrel; swivel-type double tube core barrel 双动双层岩心管 core barrel of double tuberigid type; doubletube rigid type core barrel; rigid double tube; rigid-type core barrel; rigid-type double-tube core barrel; stationary inner-tube core barrel 岩芯管 basket; core barrel ...