Because PMT's principal axis is connected with machine base in multi-poles parallel structure, the rigidity of PMT and quality of process are improved.

由于该机床的主轴与机座之间为多杆并联连接，大大提高了机床的刚度，加工质量也有了较大改进。

youdao

Fieldbus intelligent field devices are connected and digital automation system, two-way transmission, multi-branch structure of the communications network, based on smart meters.

现场总线则是衔接智能现场设备和主动化系统地数字式、双向传输、多分支构造地通讯收集，其根底是智能仪表。

youdao

Fieldbus intelligent field devices are connected and digital automation system, two-way transmission, multi-branch structure of the communications network, based on smart meters.

现场总线则是衔接智能现场设备和主动化系统地数字式、双向传输、多分支构造地通讯收集，其根底是智能仪表。

youdao