在腐蚀情况下,钢筋混凝土粘结性能退化、保护层混凝土开裂,使梁受拉区混凝土大部分退出工作,导致梁的刚度降低,横向裂缝宽度加大,影响了梁在正常使用状态下的工作性能。
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选择最佳点火提前角时,主要考虑的是功率最大。
A. 正确
B. 错误
发动机压缩比提高后,点火时间可适当推迟。
A. 正确
B. 错误
为了更容易的控制配合比及拌合质量,常采用()。
A. 周期性搅拌机
B. 连续式搅拌机
C. 自落式搅拌机
D. 强制式搅拌机
When the clverify utility is run,verification checks use ODM data provided by the common communication infrastructure. This provides efficient access to configuration ODMs from the other nodes. The utility manages these files by storing the copies in various directories depending on the success or failure of the verification pass. By default,this directory is "/var/hacmp/clverify/current/nodename/ if the ’current’ directory still exists when clverify stops running,this indicates which of the following?()
A successful completion of clverify
B. A problem with the clverify utility
C. All nodes agree on active configuration
D. Configuration differences between current and last successful clverify