boilers - 关于boilers的双语例句 - boilers造句 - 语文书

为您找到5个与“boilers”相关的双语例句：

The paper analysis the speciality of design calculation a boiler collocating air - preheater other two boilers needed.
分析了一台锅炉加挂其它两台锅炉所需空预器设计计算的特殊性,提出了有效的计算方法.
The clean coal is sent to a crusher and the boilers.
干净的煤送入破碎机和锅炉.
Conversely, test made in full - scale boilers are usually difficult to reconcile.
与此相反, 在工业规模的锅炉内所做的试验,也难于互相一致.
Make sure that all gas fires and central heating boilers are serviced annually.
确保所有的煤气取暖器和中央供暖的锅炉每年都检修一次。
Most boilers have a lifespan of 15 to 20 years.
绝大多数锅炉有15至20年的使用期限。