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- The purpose is to study the dimensionless ratio of overflow opening area to underflow opening area,A*,and the dimensionless ratio of air flowrate to slurry flowrate, Q*. 具体研究浮选器中涡流定向器出口面积与下部环状开口面积之比A＊，以及空气流量与煤浆流量之比Q＊和各浮选参数之间的关系。
- Pea pods burst open when overripe. 豌豆过熟就会爆裂。
- Open tender for purchasing power transformer. 公开招标购买电力运输设备。
- We bivouacked on the open plain. 我们在开阔的原野上露营。
- I had to use force in opening the door. 我不得不用力开那一扇门。
- This little gadget's great for opening tins. 这小玩意儿开罐头挺好用。
- She's go to play the opening bar of the sonata. 她准备演奏这支奏鸣曲的开始数小节。
- Two smaller screens will be opening in May. 五月份将有两家小型电影院开业。
- Thank you. How long will this offer be open? 谢谢。这个报价的有效期多长？
- Open the shutter and see what the weather is like. 打开百叶窗，看看外面的天气如何。
- The fresh air blew in from the open window. 新鲜空气从开着的窗户吹进来。
- Hum the opening bars of your favourite tune. 哼一哼你喜爱的曲子的开头几个小节。
- We were obligated to attend the opening ceremony. 我们有必要参加开幕式。
- The mayor made a speech at the opening. 市长在开幕式上发表了演说。
- The shop is open from this day onwards. 该店从今天起开始营业。
- Please open a window to allow the air to circulate. 打开窗子让空气流通。
- This drawer is too tight for me to open it. 这抽屉太紧了，我打不开。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I asked the man opposite if he would open the door. 我问对面的人他愿意不愿意开门。
- She contributed to the fund with an open heart. 她向基金会捐款，慷慨解囊。
