They bright-coloured color, texture, glittering and translucent burnish, hard durable, bright, can make occurrence is the natural minerals such as headgear purposes, such as diamond crystals, crystal, ruby, sapphire, and emerald, variable green gem (stone, the cat's eye); etc.
基于1个网页-相关网页
Most Palestinians still find it hard to conceive of a durable peace with Israel.
多数巴勒斯坦人仍很难想象巴以间会有长久的和平。
Mechanical seal with tungsten carbide hard wear-resistant, with durable, wear-resistant characteristics, can pump more than 8000 hours of continuous operation safe.
机械密封采用硬质耐磨碳化钨，具有耐用、耐磨等特点，可以使泵安全连续运行8000小时以上。
As these cells form they produce keratin, the substance that makes the nail body hard and durable.
这些细胞形成后会产生角蛋白，正是这种物质使得我们的指甲坚固且耐用。
应用推荐