Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气体分馏装置脱乙烷塔顶冷却器浮
，半数发生脆
断裂。
Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气体分馏装置脱乙烷塔顶冷却器浮，半数发生脆断裂。
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