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What is the valve size needed?
所需阀门通径是多大？
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Valve size and figure number.
阀门通径和型号。
Valve size, figure number or description.
阀门通径，型号或规格说明。
That included Exxon employees' failure to close an upstream safety valve, which could have significantly reduced the size of the spill after it was first detected.
NPR: APNewsBreak: $1.7M Penalty Proposed In Exxon Spill
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