pipe trade
管贸易
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He pioneered the oil trade with Russia, bartering drill pipe, petrochemicals and engineering services to the Soviet Union in exchange for crude.
FORBES: Magazine Article
No other is so dependent on international trade and investment from multinational companies, giving it, you might have thought, an incentive to pipe down a bit.
ECONOMIST: What would Confucius say now?
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