bull wheel derrick [交通運(yùn)輸工程]大轉(zhuǎn)盤桅桿起重機(jī)bull wagon [能源科學(xué)技術(shù)]套管運(yùn)送車bull vertical spread [經(jīng)濟(jì)學(xué)]看漲的縱向多空套做bull trout 鱒魚 歐鱒bull trawler [農(nóng)業(yè)科學(xué)]雙拖網(wǎng)漁輪雙拖網(wǎng)漁船雙拖漁船對(duì)拖網(wǎng)漁船bull trap bull tongue shovel 重型窄鋤鏟bull tongue 窄松土鏟bull tongs [能源科學(xué)技術(shù)]超重型鏈鉗bull through bull terrier 牛頭犬與貍雜交而生的狗bull team logging [機(jī)械工程]牛馬套子集材bull stringing and taking out [能源科學(xué)技術(shù)]抽穿大繩bull stick 轉(zhuǎn)桿bull spread 牛市套利bull snake 牛蛇bull shit 牛屎；廢話；胡說(shuō)八道bull shark 牛鯊；白真鯊bull session 閑談；大型會(huì)議bull run