section steel的用法和樣例：
例句
- This paper presents an automatic stowing,packing and gathering system for a section steel tandem rolling line.
介紹一種用於精整工藝的自動化型鋼碼垛包裝收集系統。 - The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介紹了一種衝壓模具技術在複雜斷面冷彎型鋼生產線上定尺切斷技術的應用。
