This cab signaling device is fail - safe and has highly reliability and - interference .数字化双制式机车信号符合故障 - 安全原则,可靠性高, 抗干扰能力强.It is becoming accepted practice that jet aircraft must " fail safe " .喷气式飞机必须有故障 安全装置,这已经逐渐成为公认的...
有些动物, 如狗,猫等是食肉的.Some animals, As dogs and cats, eat meat.食肉的幼崽从出生后3个月开始就可进食肉类. 不幸的是, 这些幼崽非常脆弱.The carnivorous cubs start eating meat just 3 months after birth. Unfortunately, the cubs are vulnerable.她从没想过自己是一只狼, 一只食肉的狼.S...
He snapped the cap on his ballpoint.他吧嗒一声把笔帽扣在了圆珠笔上。There is an overflow of cheap ballpoint pens in the market.市场上圆珠笔泛滥.I changed the ink cartridges in my ballpoint pen.我换了圆珠笔里的墨水芯....
I was set to shut out anyone else who came knocking.其他任何人来敲门，我都决意将其拒之门外。I shut out the memory which was too painful to dwell on.我不再去回忆那些痛苦不堪的往事了。Close the door and shut out that draft!关上门把那股风挡住!...
我住的地方是靠近海的.The place where I live is near the sea.从我们抛锚的地方可以看到近海的船.Form where we lay anchor, we could see the ships in the offing.英国 、 挪威和丹麦都在其水域内对近海的石油天然气生产征税.The United Kingdom, Norway and Denmark all fax offshore oil ...
试验应用鸡公雏, 检测了人工合成青蒿素对鸡盲肠球虫病的预防效果.Using younger cocks, the preventive result of artificial synthesize arteannuin to Chicken Caecum Coccidiosis was examined.目的了解张家口地区兔球虫种类及感染情况.Objective To get message of the coccidian infe...