井被盖住了，以防止意外发生。

The well is covered to prevent accidents.

浴室里的防滑垫可以防止意外发生。

The antiskid mat in the bathroom prevents accidents.

定期计划维护可以防止意外的设备故障。

Regular plm can prevent unexpected equipment failures.

我们决定给我们的狗做绝育手术以防止意外的小狗出生。

We decided to spay our dog to prevent unwanted puppies.

编程中的不变性有助于防止意外更改引起的错误。

Immutability in programming helps prevent bugs caused by unexpected changes.

必须采取措施防止意外事故。

Something must be provided against accidents.

配置了进料防轧安全挡板,可有效地防止意外事故的发生.

Equipment is with safety guard to prevent accident when feeding the fabric for ironing.

在滤器水位以下的入口上钻一个小洞就可以防止意外漏水.

A small hole drilled in the filter intake just below water level will prevent accidental syphoning.

第十三条（安全要求）空调设备的使用者应当采取相应的安全保障措施，并定期检查，防止意外事故发生。

Article 13 Safety Requirements Users of air-conditioning equipment shall take appropriate safety measures and conduct periodic checks so as to avoid accidents.

女士避孕套是女性自主防止意外怀孕和性传播感染疾病的唯一途径。

A female condom is the only woman-initiated method of preventing unplanned pregnancies and sexually transmitted infections.