存放钢丝绳时,清除污物、涂油润滑,然后盘绕成圈,垫以木板,放在干燥通风处。
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电力系统的静态稳定是指正常运行中的电力系统受到()将自动恢复到()的能力。
Which statement is true about the Manageability Monitor (MMON) background proces()
A. It transfers statistics from memory to disk at regular intervals.
B. It coordinates the rebalance activity for disk groups when ASM is used.
C. It communicates with the Automatic Storage Management (ASM) instance on behalf of the databaseinstance.
D. It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.
进入灾区从事救护工作时,任何情况下氧气呼吸器都必须保留不低于()MPa的压力。
A. 18
B. 10
C. 5
测微量硅时加入草酸可防止水中()、少量铁离子的干扰以及过剩的钼酸盐被还原。
A. 磷酸盐
B. 碳酸盐