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.
气体分馏装置脱乙烷塔器浮头螺栓,半数发生脆断裂。
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