section steel是什么意思 section steel怎么读
section steel的用法和样例
- This paper presents an automatic stowing,packing and gathering system for a section steel tandem rolling line.
介绍一种用于精整工艺的自动化型钢码垛包装收集系统。 - The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介绍了一种冲压模具技术在复杂断面冷弯型钢生产线上定尺切断技术的应用。
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