正确答案: B

a pressure

题目：Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.

解析：B

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学习资料的答案和解析：

[单选题]散装运输危险化学品船在开始装卸前，须获得港口当局签发的()。

危险货物装载许可证

[单选题]If the suction pressure at the refrigeration compressor is below normal, the cause can be

a restricted suction strainer

[单选题]肌肉注射进针角度为______。

90°

[单选题]正规瞭望通常认为，除视觉、听觉瞭望外，还包括________。

以上均应包括

[单选题]半圆法150°SW换算成圆周法应为：()

330°