主燃烧室的基本结构1.扩压器2.喷油嘴3.()4.漩流器5.点火器6.联焰管 发布时间:2017-09-25 20:41 │ 来源:www.tikuol.com 题型:填空题 问题: 主燃烧室的基本结构1.扩压器2.喷油嘴3.()4.漩流器5.点火器6.联焰管
题型:填空题 The mayor of Beijing says that all construction work for the Beijing Olympics___ nowA.has been completedB.has completedC.will have been completedD.will have completed 查看答案
题型:填空题 There is _____ elephant. And _____ elephant is cute. [ ]A. a, an B. an, the C. the, a D. an, an 查看答案