Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气体分装置脱塔顶冷却器浮头螺栓,半数发生脆性裂。
Half the number of bolts in floating head of deethanizer overhead cooler were brittle fractured.
气体分装置脱塔顶冷却器浮头螺栓,半数发生脆性裂。
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