use structural for sth
structural 作名词时表示“结构钢”，一般不可数，作宾语时不加冠词。
The builders use structural for the load-bearing frame.
建筑工人用结构钢搭建承重框架。
建筑用结构钢
建筑用结构钢
Structural steel, used in construction.
The new warehouse needed several structurals to support the roof.
新仓库需要几根结构钢来支撑屋顶。
用法提示：此处 structural 作名词，指结构钢，复数形式为 structurals。
After the earthquake, the team inspected every structural in the parking garage.
地震后，团队检查了停车库里的每一根结构钢。
用法提示：structural 在此是名词，表示结构钢，用 every 强调逐个检查。
The factory produces custom structurals for bridges and towers.
这家工厂为桥梁和塔楼生产定制的结构钢。
用法提示：structurals 为 structural 的复数，作名词表示建筑用结构钢。
structural 作名词时表示“结构钢”，一般不可数，作宾语时不加冠词。
The builders use structural for the load-bearing frame.
建筑工人用结构钢搭建承重框架。
不可数名词计量时，用 a piece of、a length of 这类量词短语。
A crane lifted a piece of structural onto the roof.
起重机把一截结构钢吊到屋顶上。
复数形式 structurals 常与定冠词连用，指具体的结构钢件。
Engineers checked the structurals of the old hangar.
工程师检查了那座旧机库的结构钢件。
grammar · medium
易错句子We ordered two structural for the new bridge.
正确表达We ordered two structurals for the new bridge.
structural 作名词时是可数名词，指建筑用结构钢；前面有数词 two 时名词必须变成复数，因此要写成 structurals，不能保留单数形式。
grammar · medium
易错句子There was much structurals left on the truck.
正确表达There were many structurals left on the truck.
structurals 是可数名词的复数，修饰它要用 many，谓语也要用复数 were；much 和 was 只能搭配不可数名词。
结构钢；建筑用钢材
The new stadium is framed with structural steel.
这座新体育场用结构钢搭建框架。
重型结构钢（材）
The mill produces heavy structurals for bridges and towers.
这家钢厂为桥梁和塔架生产重型结构钢。
加工结构钢构件
This shop fabricates structurals for commercial buildings.
这家工厂为商业建筑加工结构钢构件。
架设结构钢
The crew erected the structural steel in just three weeks.
施工队仅用三周就架设好了结构钢。
结构型钢
Structural steel shapes are rolled in a wide range of sizes.
结构型钢可按多种尺寸轧制。
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