孔型 (kǒng xíng) — roll pass (the groove in a rolling mill roll that shapes the metal during rolling)
定義
Technical term in steel rolling: the shaped groove in a mill roll that gives the workpiece its cross-section. Use it in metallurgy/rolling contexts, not general 'hole shape'.
noun
roll pass (the groove in a rolling mill roll that shapes the metal during rolling)
例文
- 孔型。Gōng rén zhèng zài jiǎn chá zhá jī shàng de kǒng xíng.The workers are inspecting the roll passes on the rolling mill.
- 孔型。Zhè ge kǒng xíng de shè jì jué dìng le chǎn pǐn de xíng zhuàng.The design of this roll pass determines the shape of the product.
- 孔型，。Jīng guò duō cì kǒng xíng zhá zhì, gāng cái de chǐ cùn gèng jiā jīng què.After multiple roll pass rolling, the dimensions of the steel become more precise.
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