sand pack filter
常見例句
- Metal sand filter pack is considerable parts in fiber production. It can reuse via recycle.
組件金屬砂是長(zhǎng)絲生産消耗品，通過對(duì)金屬砂的廻收，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)期間放置的爲(wèi)支承和擋住砂子所用的由金屬制成的過濾裝置。
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