micro-crystalline wax

例句：

1. 1. This type of wax is commonly used in the production of electronic devices.
   这种蜡通常用于电子产品的生产。
2. 2. The micro-crystalline wax used in this product has excellent lubricity and heat resistance.
   该产品使用的微晶蜡具有极好的润滑性和耐热性。
3. 3. Micro-crystalline wax is often used as a coating on metal surfaces to protect them from corrosion.
   微晶蜡常被用作金属表面的涂层，以保护它们免受腐蚀。