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What is worse, sand particles may even flow back into the formation to cause damage.
更为严重的是,井底砂粒可能随冲砂液重新返入油层,并对油层造成伤害。
youdao
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What is worse, sand particles may even flow back into the formation to cause damage.
更为严重的是,井底砂粒可能随冲砂液重新返入油层,并对油层造成伤害。
youdao