1·To save money on car air fresheners-not a huge expense in the first place, one would think-he rips the perfume strips out of magazines and puts them in his vents.
为了在汽车空气清新剂上省钱——有人会想这能有多大的开销——他从杂志上撕下有香味的纸片放进通风孔。
2·It is recommended that all vents be piped to the exterior of the building.
建议所有的通风孔要输送到建筑物外部。
3·Emergency vents that American officials said would prevent devastating explosions at nuclear plants in the United States were put to the test in Japan and failed to work.
美国官方称美国核电站的紧急通风孔可以阻止毁灭性爆炸，但日本的现实试验证明这是无效的。
4·Explosion vents may not be required where small quantities of hydrogen are involved.
使用少量氢时，可以不要求有爆炸通风孔。
5·These darkroom vents are easy to install in both old and new construction.
这些暗室通风孔在新老建筑中安装都很简单。