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- Martens scratch hardness 马氏划痕硬度
- Scratch Hardness Test Using a Diamond Stylus on the Micro-Tribometer mod. 便条硬度试验用钻石笔在微摩擦国防部。
- Usually show there are two kinds of methods in the hardness: To the hardness, or call and rub the hardness, it is a kind of scratch hardness. 通常表示硬度有两种方法:相对硬度,或称摩氏硬度,是一种刻划硬度。
- Paint film scratch hardness meter 漆膜划痕硬度计
- Bierbaum scratch hardness equipment 比尔鲍姆刮刻硬度仪
- tester for gypsum, scratch hardness 石膏划痕硬度测试仪
- scratch hardness tester for gypsum 石膏划痕硬度测试仪
- If a hen knows enough to scratch all the harder when the worms are scarce, surely businessmen ought to have gumption enough to scratch harder for business. 如果母鸡在虫子减少的状况下尚且懂得掘地三尺，商人们就更应该有这样的进取之心，付出更多努力去争取业务。
- It is hard to sleep without a cooler in this room. 没有空气调节器，在这间屋里很难入睡。
- How did you come by that scratch on your cheek? 你脸上的抓痕是怎么来的？
- I had to scratch my head to remember his name. 我只想苦苦地回忆他的名字。
- There'll be the devil to pay if you scratch my car! 你要是划坏了我的汽车你就有麻烦了！
- Is her schoolwork up to scratch? 她的功课行吗?
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- How do you come by that scratch on your cheek? 你脸上的抓伤是怎么来的？
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- Scratch my back and I'll scratch yours. [谚]你帮我，我帮你。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- He heard the scratch of a match. 他听到划火柴的声音。
- I scrubbed hard at the stain to see if I could get it off. 我使劲擦这个污迹，看能不能将它去掉。
