pumice

名词浮岩，浮石，轻石（轻而多孔，可以去除皮肤污垢或使皮肤光滑，其粉剂可作清洁剂或抛光剂）

及物动词用轻石磨; 用浮石去污; 磨光

1. 浮石：电&63799;板各前处&63972;制程中曾用过的湿喷浮石(Pumice)技术,即属砂&63934;之各型刷材,以及浮石粉(Pumice Slurry)等均称之为Abrasives. &63847;过这种掺和包夹砂质的刷层才&64008;. 目前这种粗化处&63972;,又为适应&63847;

2. 轻石：与喀斯喀特山脉其他火山类似,圣海伦火山呈圆锥形,由熔岩、火山灰、轻石(pumice)和其它沉积物交替层叠堆积而成. 圣海伦火山还包括玄武岩和安山岩层,几个英安岩火山穹丘即为从中喷发形成. 最大的一个火山穹丘构成了老的山峰,

3. 浮石粉：而在电路板工业中,则以浮石粉(Pumice)另混以水份,一同喷打在板子铜面上进行清洁处理. 指由重量比达70%之细小银片与30%的树脂所调制的聚合物印膏,并加入少量高沸点溶剂做为调薄剂,以方便网版印刷之施工. 一般板面追加的跳线(Jumper)或贯孔导通,

4. 浮岩;浮石：Shield Volcano盾状火山 | pumice 浮岩;浮石 | Composite Volcano 复合型火山

1. 浮石，浮岩，轻石（一种火山石，用于去污以及柔肤等）
    Pumice is a kind of grey stone from a volcano and is very light in weight. It can be rubbed over surfaces, especially your skin, that you want to clean or make smoother.

1. pumice的翻译

1. Then avalanches of hot ash, pumice and gas known as pyroclastic flows poured out of the crater.

2. pumice的反义词

2. The crew had earlier encountered huge streaks of pumice after passing Tonga's Late island, according to their web log.

noun

verb