您要查找的是不是：
- Mohs hardness handle 莫氏锥柄
- Aggregate hardness can be measured using the Mohs Hardness Scratch Test. 总计硬度可利用层数硬度划痕测试。
- Products with low water absorption, Mohs hardness, strong acid and so on. 产品具有吸水率低、莫氏硬度大、耐酸碱性强等特点。
- However, relatively great differences in density and mohs hardness enables us to identify them. 只能通过母岩的种类的共生矿物的种类来区分原石矿物，刻面宝石可以用比重和硬度的差异来区分。
- Jade has a Mohs hardness of between 6.5 and 7.0, so it can be worked with quartz or garnet sand, and polished with bamboo or even ground jade. 翡翠的莫氏硬度在6.;5到7
- He closed the door so hard that he wrenched the handle off. 他关门用力过猛，连门把手都拧了下来。
- 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。
- I major in engineering, but this machine is hard to handle. 虽然我学的是机电专业，但这机器还是很难修。
- John felt it hard to rig out his family. 约翰感到难以为一家大小置备衣着。
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- 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。
- 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。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- He pushed hard on the brake pedal to avoid a collision. 他使劲踩下煞车踏板以避免撞车。
- One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
- He owes his opulence to work hard. 他的财富乃辛勤工作得来。
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The emery is a hard metallic substance. 金刚砂是非常坚硬的金属物质。
- Hard training will fit them to run long distances. 严格的训练将使他们能跑长距离。
