单词pre-engineering
网络: 工程学预科；工程预科；预科工程学
In the pre-engineering phase a safety programme, a safety and HF philosophy and an HF specification were written.
在前工程学中逐步运行安全节目，一种安全和HF哲学和一件HF规格被写。
Application of GIS Technology in Pre-Engineering Design of LongDistance Pipeline
GIS技术在油气管道线路工程设计中的应用