1. The tools of the trade are unbelievably primitive: a long, heavy metal tube for blowing, callipers, a pair of huge tweezers and cold water. 所用的行业工具极其原始：一支又长又重的金属吹管，长钳，还有一把巨大的镊子，外加冷水。
2. The tools of the trade are unbelievably primitive:a long, heavy metal tube for blowing, callipers, a pair of huge tweezers and cold water. 所用的行业工具极其原始：一支又长又重的金属吹管，长钳，还有一把巨大的镊子，外加冷水。
3. On ornamental boxes everything is also in pairs: a pair of birds, a pair of deer, a pair of ibexes. 在这些装饰盒上，每样东西也都是成双成对的：一对鸟，一对鹿，一对野山羊。
4. Two types of twisted-pair cable are shielded twisted-pair (STP) and unshielded twisted pair (UTP). 双绞线缆线的二类型是遮蔽双绞线（STP）和无遮蔽双绞线（UTP）。
5. Two types of twisted-pair cable are shielded twisted-pair (STP) and unshielded twisted pair (UTP). 双绞线缆线的二类型是遮蔽双绞线（STP）和无遮蔽双绞线（UTP）。
