bullock block的中文,翻译,解释,例句
bullock block
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bullock block:桅肩滑车
"球[形]艏","bull-nosed bow" | "桅肩滑车","bullock block" | "牛眼灯","bull's eye lamp"
bullock block:桅肩滑车
"球[形]艏","bull-nosed bow" | "桅肩滑车","bullock block" | "牛眼灯","bull's eye lamp"