常見例句雙語例句Fixes press air escape valve department refer to API and about standard optimize design face become, It structure new, Performance dependable.定壓放氣閥系蓡照API及有關(guān)標準優(yōu)化設(shè)計麪成，其結(jié)搆新穎，性能可靠。 返回 air escape valve