常見(jiàn)例句雙語(yǔ)例句Metal sand filter pack is considerable parts in fiber production. It can reuse via recycle.組件金屬砂是長(zhǎng)絲生產(chǎn)消耗品，通過(guò)對(duì)金屬砂的回收，可實(shí)現(xiàn)金屬砂的多次再使用。A metal filter assembly used to support and retain the sand placed during gravel pack operations.在礫石充填作業(yè)期間放置的為支承和擋住砂子所用的由金屬制成的過(guò)濾裝置。www.infopetro.com.cn 返回 sand pack filter