等压: isobaric区: H region; H压区: nip变压区: aliobar; allobar常压区: atmospheric area冲压区: stamping area出压区: outgoing nip低压区: depression region; low pre ure area; low pressure area; low-pressure area; lowpre urearea; meiobar负压区: zone of negative pre ure; zone of negative pressure高压区: high area; high pressure area; high-pressure area; higher-pressure region; highpre urearea; zone of high pressure恒压区: areas of permanent pressure挤压区: crush zone加压区: pressor areas减压区: depressor area; reduced-pressure zone降压区: descent region; pressure-fall area零压区: region of no pressure气压区: baric area升压区: area of rising pressure受压区: compression zone; compressive region; compressive zone; pressure zone外压区: external pressure region增压区: pressurized area; zone of elevated pressure正压区: zone of positive pre ure; zone of positive pressure高压区及低压区: high and low pressure area压区挡板，压区防护板: niguard不等压: anisobaric
