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- vacuum cold trap 真空冷阱
- Abstract: The volatile organic compounds (VOCs) produced in the laser-sculpture process of bicolor board were studied using cold trap condensation -gas chromatography -mass spectrometry. 文章摘要: 研究了冷阱浓缩气相色谱-质谱法检测双色板在激光工艺雕刻过程产生的挥发性有机污染物的组成。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Experimental study on the heat transfer performance of freeze-dryer's cold trap 冻干机冷阱传热性能实验研究
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The girl stood shivering with cold on the doorstep. 那姑娘站在门前的台阶上,冷得直打哆嗦。
- It is neither hot nor cold in winter here. 这里冬天既不热也不冷。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- She could only croak because of her heavy cold. 她因患重感冒只能用沙哑的声音说话。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- Hot and cold are contrary terms. 热与冷是相反的词语。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- She got cold feet when asked to recite in class. 当她被叫起来在班上背诵时害怕了。
- The girl's hands were chapped by the cold. 那个女孩的手因寒冷而冻裂。
- There is still no cure for the common cold. 目前仍没有治愈感冒的良药。
- It gets cold quickly when the sun goes down. 太阳下山后天气很快就会冷下来。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries