The box is lined with lead to shield the x-ray detector from stray radiation.
盒子本身还连接了铅，以便阻挡杂散射线被探测器接收。
Knives of any type, including box cutter and X-ACTO knives for use as pencil sharpeners .
何种类的刀子，包括美工刀、胶膜刻划刀，想代替转笔刀来使用的。
Knives of any type, including box cutter and X-ACTO knives for use as pencil sharpeners .
何种类的刀子，包括美工刀、胶膜刻划刀，想代替转笔刀来使用的。
应用推荐