field bus
总线
现场
总
现场总线
现场总线协议
现场总线技术
现场总体
ANN总线
CAN总线
常压精馏
工业控制网络
PPI通信
电动装置
field bus control system
PROFIBUS field bus
PROFIBUS现场总线
PROFIBUS 现场总线
Profibus总线
a system of a major field of specialization plus a minor field
added electric field and magnetic field
adjustment between wind field and pressure field
coupling for seepage field and stress field
coupling seepage field and stress field
dark field and bright field incident light microscope