单词：ventilation fan
单词：ventilation fan 相关文章
[00:-2.00]SICK BUILDINGS [00:-3.00]A wealthy American businessman [00:-4.00]has just bought a small insurance company in South east Asia. [00:-5.00]He has not visited it yet. [00:-6.00]After he bought it,he heard that the staff were often sick. [00:-
高中英语牛津版高三
[00:01.13]2 Pronunciation Listen and say. [00:06.19]Do you know how the fan works? [00:09.33]Do you know why the bell is ringing? [00:12.62]Can you tell me what time the lunch break is? [00:17.34]Can you show me how the photocopier works? [00:25.48]3
外研社新标准初中英语八年级
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 serious [ 5siEriEs ] The mistake is no
每日攻克5词
VT tidal volume 潮气容积 TLC total lung capacity 肺总量 VC vital capacity 肺活量 IC inspiratory capacity 深吸气量 ERC expiratory reserve capacity 补呼吸量 RV residual volume 残气容积 FRC functional residual capacity 功能残气量
医学英语
The idea is to build five major ventilation corridors, running from northern suburban areas to the south. They would be created by connecting Beijing's parks, rivers, lakes, and highways along with the capital's green belts, and possibly also by limi
2016CRI中国国际广播电台