Diesel engine control can be obtained by the bridge ().
A. at any time
B. only after the engine room control station is switched to “bridge control”
C. whenever the secondary station is switched to "bridge control"
D. with the approval of the chief engineer only
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个人商用车贷款业务的合作商可包括汽车经销商、担保公司及及汽车厂商。
A. 正确
B. 错误
惹琼巴梦中去邬金净土时,听到了什么不可思议的事情?这对你有哪些启示?
下列哪个是网易公司的搜索引擎站点?()
A. www.soso.com
B. www.youdao.com
C. www.baidu.com
D. www.bing.com
热冲击引起过流零件的疲劳,会造成()的寿命过短。
A. 轴承
B. 叶轮
C. 填料
D. 泵轴