警铃

He had some questions for me, so there were fire alarms the next day, and the next.

他有一些问题要问我，所以第二天火警铃又响了，还有第三天。

There was a great tooting and clanging, and a fire engine rumbling past

响起了一阵喇叭的嘟嘟声和警铃的丁当声，一辆消防车隆隆地驶了过去

The automatic sprinkler systems The automatic sprinkler systems includes the closing type shower nozzle , pipeline system, wet type such some as alarm valve , the alarm bell device of water conservancy and water supply equipment ,etc..

自动喷水灭火系统自动喷水灭火系统包括闭式喷头、管道系统、湿式报警阀、水力警铃装置和供水设备等部分。

If a country tries to hide vital data about a potential pandemic, Dr Chan can override national sensitivities and ring the alarm bells.

如果一国试图隐瞒一场潜在的传染病的关键性数据，陈博士可以不顾国别敏感性，拉响警铃。

In case of fire, ring the bell.

火警的警铃在哪里？

In case of fire, ring the alarm bell.

如果有火灾，请按警铃。

In case of fire, ring the alarm bell.

万一失火的话，请按警铃。

In case of fire, ring the alarm bell.

如有火灾，请按警铃。

Often, when the fire bell rang, other men in the city rushed to help put out the fire.

很多时候，当火警铃响起，城市里的其他市民就冲出去帮忙灭火。

They earned their money at other jobs, but dropped what they were doing when the fire bell rang.

他们做其它工作挣钱，但是一当火警铃响起的时候，他们就放下手中的活赶赴现场。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。