封闭气室式 Closed-cell Foam Pads ; cell Foam Pads ; Closed-cellFoamPads ; Closed-cell

全封闭式空气绝缘 fully enclosed air isolation

闭式气举管柱 closed gas lift string

封闭式气垫流浆箱 closed air-cushioned headbox

半闭式气举 semiclosed gas lift

闭式除气系统 [油气] closed degassing system

封闭式空气提升 Closed-end air upgrade ; Sealed Air upgrade ; Enclosed air upgrade ; CIRCOX

封闭式气缸盖 enclosed cylinder head cover

封闭式气体注射 SEALED INJECTION GAS

闭式排气 closed exhaust