英語翻譯
Do you have anything that shows the materials of construction of the HP120,especially the wetted parts (cylinder,piston head,etc…).
Thomas Industries used to coat their piston head with something and we have a potential big customer who might want to switch from Thomas because they changed their material specifications.
美國發(fā)來的郵件，我們公司生產(chǎn)真空設(shè)備的，HP120是一種無油真空泵，我猜想發(fā)郵件的人是不是想問HP120的零件材質(zhì)。