they are many ______in the factoriesthey are many e_____in the factories (根据所给的首字母,完成句子)

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they are many ______in the factoriesthey are many e_____in the factories (根据所给的首字母,完成句子)

they are many ______in the factoriesthey are many e_____in the factories (根据所给的首字母,完成句子)
they are many ______in the factories
they are many e_____in the factories (根据所给的首字母,完成句子)

they are many ______in the factoriesthey are many e_____in the factories (根据所给的首字母,完成句子)
equipment.设备