题目内容

液化石油气钢瓶充灌过程中，充装员应随时注意角阀、（）等部位的检查，并做好称重衡器量标的调整检查。

A. 钢印标志
B. 瓶底
C. 焊缝
D. 颜色标记

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（）是指天然气与一次空气预先混合后，再供到火焰筒中去燃烧的燃烧方式。此种燃烧火焰短，燃烧稳定性差。

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调车人员在车上看枕木（轨长12.5m铺18根枕木）观速时，接近看不清枕木根数时，车辆走行速度约（）km/h。

A. 15
B. 10
C. 12

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当RLC并联电路谐振时，其导纳角应（）。

A. 大于零
B. 小于零
C. 等于零
D. 不确定

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WebSphere Commerce has been successfully installed and tested. WebSphere Commerce Analyzer has been installed and the extraction programs have run with no errors but there is no data in any reports when viewed from the WebSphere Commerce Accelerator. What could be the cause of this problem？（）

A. The WebSphere Commerce application server was not started
B. The web server was not started
C. SSL has not been configured on the web server
D. The appropriate listeners were not enabled in Configuration Manager
E. The database server was not started

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液化石油气钢瓶充灌过程中，充装员应随时注意角阀、（）等部位的检查，并做好称重衡器量标的调整检查。

A. 钢印标志 B. 瓶底 C. 焊缝 D. 颜色标记

（）是指天然气与一次空气预先混合后，再供到火焰筒中去燃烧的燃烧方式。此种燃烧火焰短，燃烧稳定性差。

调车人员在车上看枕木（轨长12.5m铺18根枕木）观速时，接近看不清枕木根数时，车辆走行速度约（）km/h。

当RLC并联电路谐振时，其导纳角应（）。

WebSphere Commerce has been successfully installed and tested. WebSphere Commerce Analyzer has been installed and the extraction programs have run with no errors but there is no data in any reports when viewed from the WebSphere Commerce Accelerator. What could be the cause of this problem？（）

A. 钢印标志
B. 瓶底
C. 焊缝
D. 颜色标记