SERCOS is a communicating protocol with serial and re - al-time communication for synchronous control.
SERCOS是一种用于同步控制的串行实时通信协议。
Although it is cheap, the time-relay, with the low control precision, stability, reliability and other performance, can't satisfy the demand for higher quality of Cu-Al pipe welding.
虽然时间继电器成本低，但若达到铜铝管焊接高质量，其时间控制精度、稳定性、可靠性等性能指标已不能满足要求。
The key of Cu-Al pipe butt welding is to control the welding parameters. In the original control system, all welding parameters were controlled by time-relays.
铜铝管焊接的关键是对焊接参数的控制，原控制系统采用时间继电器控制焊接参数。
The real time measurement and control of the viscosity were achieved in the preparation process of al and al alloy, revealing the rule of viscosity change as well as the influence on pore structure.
用新型旋转扭矩探测仪对铝合金熔体增粘过程中的粘度进行了实时检测和控制，研究了熔体粘度的变化规律以及粘度对孔结构的影响规律。
The real time measurement and control of the viscosity were achieved in the preparation process of al and al alloy, revealing the rule of viscosity change as well as the influence on pore structure.
用新型旋转扭矩探测仪对铝合金熔体增粘过程中的粘度进行了实时检测和控制，研究了熔体粘度的变化规律以及粘度对孔结构的影响规律。
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