题目内容

台车各液压缸内均装有（）以保证台车工作稳定安全可靠。

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既可在喷洒过程中起到快速灭蝇的作用，又可保持长期灭蝇效果的方法是（）

A. 超低容量喷洒
B. 滞留性喷洒
C. 常量喷洒
D. 毒饵

6502电气集中，调车进路辅助开始继电器FKJ和终端继电器ZJ的励磁顺序是（）。

A. FKJ先吸起
B. ZJ先吸起
C. 进路左边的先吸起
D. 进路右边的先吸起

Diesel fuel is relatively safe to handle due to its low volatility, but the fumes will self-ignite and continue to burn steadily if the fuel is heated to the （）.

A. flash point
B. auto-ignition point
C. volatility point
D. upper explosive limit

Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）

A. encrypted data
B. compressed data
C. archive data
D. multiplexed data stream