面板上的指示器将出现闪光,对操作者发出出现这种情况的警告.The operator is alerted to this situation by blinking front - panel indicators.有些设计者和操作者需要在二段转化炉外壳涂以此种油漆.Many designers and operators require such paint on their secondary reformer shells.这是韦...
到目前为止，这笔账单保守估计大约为2.2万英镑。A conservative estimate of the bill, so far, is about £22,000.我的服务员麻利地撤走盘子并搁下我的账单。My waitress whipped the plate away and put down my bill.经济衰退和医疗账单逼得他们破产了。The recession and hospital bills drove th...