1.poundcompression  2.multistagecompression  

多的英語翻譯：

excessive; many; more; much; multi-
【計】 multi
【醫(yī)】 multi-; pleio-; pleo-; pluri-; poly-

級的英語翻譯：

class; grade; level; o-level; rank; stage; step
【醫(yī)】 grade

壓縮的英語翻譯：

compress; boil down; constrict; press; reduce; strangulate; condensation
【計】 compaction; compressing; compression; compresspor; pack
【化】 compression
【醫(yī)】 compress; compression; squeeze