Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气
装置脱乙烷塔顶冷却器浮头螺栓，半数发生脆
断裂。
Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气装置脱乙烷塔顶冷却器浮头螺栓，半数发生脆断裂。
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