中心线成直角的弧齿锥齿轮.

Camber line becomes orthogonal arc tooth wimble gear.

所有厌恶的动作都以中心线为轴.

All the actions disgust is in the center line.

画出各视图的基准线、中心线。

Draw base lines and center lines of views.

位置迅速地飞向中心线。

Position quickly toward centerline.

位置慢慢地飞向中心线。

Position slowly toward centerline.

前桅安装在船首中心线上。

Foremast shall be installed on the centerline of ship's stem.

中心线排放泵壳是不可接受的.

Centerline discharge pump casings are not acceptable.

该频道，粒子始终停留在中心线

The channel, the particle always stays on the centerline and

主轴中心线到立柱母线距离 ；

Distance spindle axis to column bus ;

轴、舵系镗孔前中心线定位检查.

Inspecting centerline positioning for shaft system and rudder system before boring.