您要查找的是不是：
- acoustic zero dB level 声学零(分贝)级
- acoustic zero dB 声学零分贝
- The IFS Quiet Drive option makes it possible for us to achieve low dB levels, often without an additional sound enclosure. IFS拥有静音驱动选项，使我们有可能实现低噪音运行，不需要额外的隔音外壳。
- acoustic zero level 声学零(分贝)级
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- Now, men, zero in your guns at that ship. 喂，伙计们，把炮口对准那艘船。
- It was five below zero last night. 昨夜温度是零下五度。
- I'd like a room on the upper level. 我想要楼上的房间。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- Prospects of success in the talks were put at zero. 会谈没有成功的希望。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- He has given my suggestion zero thought. 他一点也没有考虑过我的建议。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
- The thermometer fell to zero lastnight. 昨夜温度计显示气温下降到零度。
- Keep a level head and phone the Fire Department. 保持冷静，打电话给消防署。
- Opened the show with an acoustic set. 不用电子乐器开始演出
- The thermometer shows ten below zero. 温度计指着零下十度。
- A football field should be level. 足球场地应该平坦。
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- audiometer zero dB 听力计零分贝
