有些硬盘非常安静，另一些则产生分心的刮擦声和卡塔声。
Some hard drives are dead silent, others make a distracting scratching or clicking noise.
新型气动卡瓦体的工作高度低，可自动刮泥，并具有安装操作简便、自动化程度高、悬挂能力大等特点。
The applications in the field shows its advantages as simple installation and easy operation, high automation, avoiding safety emergency, lessening hard work, scraping the drilling mud off.
筹款性质的刮奖卡非常有意思，同时还能为非盈利组织募集资金。
Utilize scratch card for fundraising is a fun and entertaining way to raise money for non profit organizations.
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