质量三包事项 汉译英，急！！！

三、质量三包事项
Three Guarantees of Quality

1、 设备若在一年正常使用中出现故障，可向本公司要求维修．在办理”三包 ”手续时应向本公司提供发票复印件．
1. If the devices is malfunctioned in the first year of regular usage, the company would be responsible for the maintenance. The copy of invoice would be needed for "three quarantees" procedure.

2、 下列易耗物品不列入”三包范围
2. Following wearing parts are not included in the "three quarantees"

A、照明灯 B、紫外线灯管 C、电子整流器
A. Lightings B. UV Lamp C. Electronic Rectifier

四、特点
Product Features

1、 气幕式隔离设计，能有效防止内外交叉污染
1. Air-screen isolation design, which is reliable for preventing cross-infection of insidea & outside.

2、 排风设有高效过滤器，保证排出的气体符合国家有关排放卫生标准．
2. The ventilation devices is equiped with high efficiency air filter, which ensures the discharges fit the relevant national health standards.

3、 数字压差显示仪能时刻指示操作者知道生物安全柜的运行情况．
3. The digital pressure difference display can ind