轴封加热器停用时其水侧必须排尽水。
参考答案：错
资产负债表日后事项，是指资产负债表日至财务报告批准报出日之间发生的所有有利或不利的事项。
When we talk about the _____we not only mean the sun, he earth and the moon but also
_____ That is too far away to be seen.
A．universe, the space
B．spacthe universe,
C．universe, space
D．space,universe
