卧式铣床支架的支承轴承的精度会影响刀杆的回转精度，从而影响孔的尺寸精度和圆柱度。

The precision of the support bearing of the horizontal milling machine bracket affects the rotation precision of the cutter rod, thus affecting the dimension precision and cylindricity of the hole.

youdao

TJ-18型地面加料机其挑杆回转运动与上下摆动运动采用了液压传动，设备重量轻，结构紧凑、动作灵敏、操作方便。

Rotating and up-down swinging of the ram for TJ-18 groundcharger are hydraulically driven, which can reduce the weight of equipment, make structure contact and be convenient to operate.

youdao

把WZ25-20挖掘装载机作为研究样机，其反铲挖掘装置主要由动臂、斗杆、铲斗、导轨机构、回转机构和连接架组成。

Now WZ25-20 is regarded as an example, its backhoe device consists of moving arm, pole, bucket, guiding organization and rotation mechanism.

youdao