The emergency shutdown system ESD in FCC unit revamp is introduced,ESD system composition,its function characteristics and control method are detailed described.

This paper introduces its mainly function characteristics and discusses several water-supplying equipments selection and control method.

Functional Characteristics and Inspirations of the Range-finders of CET-4 High-mark Compositions;

Nominalization,a common form in ideational metaphors,together with its functional characteristics are also outlined.

This paper introduces in detail working principal, device components and functional features of HEZ-1 type digital display self-balancing check meter of mutual inductor.

The design of field medicine automobile is discussed from the aspects of its structural form and functional features.

This paper introduces briefly the function features of Baidu search engine,and probes into service features of Baidu search engine and comments on these features.

This paper illustrates the gradation structure of man-machine interface for gradation management through analyzing its function features,and provides further explanation of gradation authority and management.

This paper introduces the working principle, functional features, electricity vending system and comprehensive benefit analysis of full-electronic pre-payment mag card meter.