滴灌系统设计水头
designed water head of drip irrigation system
导向系统设计
design of guidance systems
guidance system design
导向标识系统设计
identification system design
导航系统设计
design of navigation system
单片机系统设计
system design of single-chip microprocessor
氚系统设计
Design of tritium systems
除尘系统设计
dust cleaning system design
design of dust removal system
初步系统设计描述
preliminary system design description
城市公交查询系统设计
Design of the City Public Traffic Query System
称重系统设计
Design of weighing system
超纯输送系统设计
Layout of pipeline system of ultra-pure gases