福尔摩斯指出，戴维安全灯有很多故障。
安全灯丢失。
本船消防员装备中手提安全灯缺失，呼吸器不能使用，请予以更换。
The missed safety lights and the broken breathing apparatus of fire men's outfit aboard our ship should be replaced.
被动式运动传感器，也称为PIR(被动式红外线)传感器，通常用于能够检测人体热量的安全灯。
Alternatively passive motion sensors, also known as PIR (passive infrared) sensors are typically used on security lights which detect the heat of a human body.
承包人应为工作人员提供各种必要的安全工具、安全灯，在可能出现有害气体地区还应提供防毒面具、氧气补给设备等。
The Contractor shall provide his personnel with various necessary safety tools or instrument, safety lamp, gas mask and oxygen supplying equipment in the area where harmful gas is possible to appear.
承包人应为工作人员提供各种必要的安全工具、安全灯，在可能出现有害气体地区还应提供防毒面具、氧气补给设备等。
The Contractor shall provide his personnel with various necessary safety tools or instrument, safety lamp, gas mask and oxygen supplying equipment in the area where harmful gas is possible to appear.
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