请问你们检测硬度的时候是用750的压头吗的翻译：When you test the hardness is: 750 head 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I ask you to detect the hardness is 750 head you

When you test the hardness is: 750 head

Ask you examine degree of hardness time is with 750 discharge heads

How do you test the hardness of the head 750 is?

When you test the hardness is: 750 head