连挂车辆通过小半径弯道曲线的校核计算是新造车辆必不可少的设计计算 ，也是确定不同形式车辆能否实现兼容连挂的必做计算。
The checking calculation of coupled cars in negotiation of the curve with small radius is an absolutely necessary design calculation for newly manufactured cars.
老板：“把他安排到睡衣柜台去。给他挂张卡片写上：‘我们的睡衣质量如此之高，甚至连卖它们的人都睡不醒。’”
Proprietor: "Put him at the pajama counter, and fasten a card on him with these words: 'Our pajamas are of such superior quality that even the man who sells them can not keep awake."
老板：“把他安排到睡衣柜台去。给他挂张卡片写上：‘我们的睡衣质量如此之高，甚至连卖它们的人都睡不醒。’”
Proprietor: "Put him at the pajama counter, and fasten a card on him with these words: 'Our pajamas are of such superior quality that even the man who sells them can not keep awake."
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