anchorage length and lap length
ratio of pulse length to the total cycle length
span length of length bar
acetylene welding rubber hose
acid and alkali-resistant hose
acid conveying rubber hose
adjustable plastic cooling hose
air hose
空气软管
通风软管
压缩空气软管
输气软管
送气软管
压气软管
压缩空气管
冷泵管
风管