Barrel type straight spindle: spindle and spindle motor to reduce the transmission link error and vibration, the use of integrated direct design, and the use of high precision ABECT.

弹筒式直结主轴：主轴与主轴马达为减少传动连结所产生的误差与震动，采用一体式直接设计，并采用高精密abect。

youdao

This machine consists of base, frequency control brake motor spindle shaft, pivoted link and barrel, etc.

该机由机座、变频制动电机主轴、回转连杆及筒体等部分组成。

youdao

Just a week earlier the government reversed its position on pipeline ownership, giving him and his peers a provisional green light to build a 2m-barrel-a-day link from the oilfields of Western Siberia to the northern port of Murmansk.

ECONOMIST: Russian energy