厚颜
发表于 2025-3-25 07:03:48
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词汇
发表于 2025-3-25 07:49:58
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知道
发表于 2025-3-25 11:39:19
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为敌
发表于 2025-3-25 19:45:48
The Dangerous Steam Engine,ator. Every such energy plant contains a pressure vessel – a boiler. Uncontrolled heating may raise the steam pressure to a level high enough to cause the boiler to burst, and this may result in great damage to people and plant. Such explosions were not uncommon in the early years of high-pressure s
容易懂得
发表于 2025-3-25 23:09:10
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Instrumental
发表于 2025-3-26 02:51:11
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乳汁
发表于 2025-3-26 05:25:36
,Chemical and Physical Health Risks – Chemicals, Radiation, and Noise,reases during the morning hours. Separate sounds may be discerned; the sound from an accelerating truck, a siren, a pile driver, a passing aircraft. In the city, the traffic noise is more obvious. Sometimes it is strong enough to make conversation impossible, a sign that the noise may damage one’s h
audiologist
发表于 2025-3-26 09:31:33
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厚脸皮
发表于 2025-3-26 12:59:45
How Dangerous Is It to Travel?,d with traffic by road, by rail, in the air, and at sea are considered. The economic progress of society is accompanied by an increase in transportation, which has not been replaced by telecommunication. On the contrary, telecommunication has given rise to more travel. The travel mode distribution h
公司
发表于 2025-3-26 20:13:34
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