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- In comparison with unmodified epoxy resin, the impart strength of modified epoxy resin by FH type polyether polyols has increased by 124%, the fracture toughness ratio by 89%, and the fracture energy ratio by 260%. 与未改性的环氧树脂相比,用FH聚醚多元醇改性环氧树脂的冲击强度增加124%25,断裂韧性比增加89%25,断裂能比增加260%25。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- All this toughness does not sit well with everyone. 所有这种强硬的做法并非人人都能接受。
- He'll never pay up unless you get tough with him. 你对他态度强硬,他才会还清债务。
- You need to be tough to survive in the jungle. 要在丛林中活下来就要有坚忍不拔的意志。
- This tube is flexible but tough. 这管子柔软但很坚固。
- The company faces tough competition. 这家公司面临着艰难的竞争。
- Conditions are rather tough here. 这里条件比较艰苦。
- He was the tough guy, the big shot, who gave orders with the crack of a whip. 他是个威风凛凛发号施令的强悍的家伙,是个大人物。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- She won't last long in that job it's too tough. 她做那件工作坚持不了多久--那工作太困难。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Any of several tough, porous leather substitutes. 通气性强的塑料几种粗糙的多孔的皮革代用品
- It's time to get tough with football hooligans. 现在该对足球迷小流氓采取强硬措施了。
- He lives in a tough neighborhood. 他住的地区邻里非常粗野。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- A spell of tough luck discouraged us. 一阵坏运气令我们大为沮丧。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- This material is as tough as leather. 这料子像皮革般坚韧。
- We are going to hang tough on this. 关於这件事,我们坚持到底。