聯(lián)合的英語翻譯：

unite; ally; connect; link; associate; band; joint; combination; federation
linkage; union; alliance
【計】 uniting
【化】 union
【醫(yī)】 association; coadunation; coadunition; symphysis; syndesis; union
【經(jīng)】 associate; coalition; combination; consolidate; consortium; fusion
union

真空的英語翻譯：

vacuum; void
【化】 vacuum
【醫(yī)】 vacuum

壓力泵的英語翻譯：

force pump
【機】 force pump