A. 产品产量 B. 厂房面积 C. 职工人数 D. 生产设备数
A. any wire running fore-and-aft on a ship B. any wire with a fiber core C. a heavy wire extending from the trunk of the mast to the head of the boom D. a heavy wire extending from the mast，atwartships to the deck，to support the mast
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