钢

rú guǒ bì yào wǒ men kě yòng lǚ dài gāng

如果必要，我们可用铝代钢。

If necessary, we can use aluminium instead of steel.

dào nà huì r gāng de chǎn liàng jiāng dà dà zēng jiā

到那会儿，钢的产量将大大增加。

By that time, the steel output will have greatly increased.

dāo rèn shì yòng zuì yōu zhì de gāng duàn zào de

刀刃是用最优质的钢锻造的。

A bayonet blade is forged from the finest steel.

gāng gòu jiàn

钢构件

steel member

zhù gāng

铸钢

cast steel