不要在室内吸烟以防止火灾。

Do not smoke indoors to prevent fire.

确保灭火器随时可用以防止火灾。

Make sure fire extinguishers are always available to prevent fire.

我们需要采取措施防止火灾。

We need to take measures to prevent fires.

安装烟雾探测器可以帮助防止火灾。

Installing smoke detectors can help prevent fire.

定期检查电线是防止火灾的重要步骤。

Regularly checking electrical wires is an important step to prevent fire.

新面料经过阻燃剂处理以防止火灾。

The new fabric is treated with a retardant to prevent fires.

该市实施了新的安全措施以防止火灾。

The city implemented new safety measures to prevent fires.

在加油站内严禁烟火，以防止火灾。

At the gas station, smoking or open flames prohibited to prevent fires.

为防止火灾蔓延，拆除或者破损毗邻火场的建筑物、构筑物；

Dismantle or damage neighboring constructions and structures of fire site so as to prevent fire spreading;

出于安全的丙烷罐是装满了水，完全在所有焊接程序，以防止火灾或爆炸的丙烷气体。

For safety the propane tank was filled completely with water during all welding procedures to prevent fire or explosion from propane fumes.