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海管置换
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海管置换
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海管置换
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subsea pipeline displacement
海管置换
管道停输后,为避免高凝点的原油凝固在管道内造成管道堵塞事故,而使用低凝点、低黏度介质将管内高凝点或高黏度介质替换出去的操作。
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salt log
salt making in sea water
salt marsh
salt marsh ecosystem
salt-mist testing cabinet
Salto
salt-pepper sign
saltpeter
salt poisoning
salt policies
salt produced from Lake Hai
salt-producing household
Salt Production Archaeology
Salt Range
salt-separated moxibustion
salt spray test
salt stress
salt supervisor
salt tax
salt tax in ancient China
Salt Tax Officers
salt tectonics
salt tolerance in crops
salt-tolerant plants
Salt Transportation Department
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