您要查找的是不是：
- The astronauts have special breathing apparatus. 宇航员有特殊的呼吸装置。
- breathing apparatus van 呼吸器车
- Firemen needed breathing apparatus to enter the burning house. 消防队员需用呼吸器械才能进入燃烧著的房屋。
- A trademark used for an underwater breathing apparatus. 水肺，水中呼吸器用于水下呼吸装备的一种商标
- Have your breathing apparatus near you. 保持放毒面具在附近。
- Astronauts have special breathing apparatus. 宇航员有特殊的呼吸装置。
- Have your BA [breathing apparatus] near you! 准备好防毒面具！
- Firefighters needed breathing apparatus to enter the burning house. 消防队员需要呼吸器以便进入燃烧的大楼。
- One that works under water, especially one equipped with breathing apparatus and weighted clothing. 潜水员水下工作者，尤指配有呼吸器和加重衣服的水下工作者
- Self-contained breathing apparatus in high vapor concentration. 呼吸防护:在高浓度中使用氧气面罩。
- Self-contained breathing apparatus (SCBA) may be required. 可能需要用自给式呼吸器.
- The breathing apparatus includes the nose, throat and lungs. 呼吸器官包括鼻、咽喉及肺。
- The breathing apparatus includes the nose,throat and lungs. 呼吸器官包括鼻、咽喉及肺。
- I nearly suffocated when the pipe on my breathing apparatus came adrift. 我的呼吸器上的管子脱落时，我差一点窒息。
- All officers and ratings must be capable Of using breathing apparatus on board. 所有高级船员和普通船员都必须会用船上呼吸器。
- Is vessel equipped with recharging compressor for breathing apparatus? 船舶是否装备有呼吸器械充气压缩机?
- Always wear protective goggles, gloves and appropriate breathing apparatus. 应始终戴防护眼镜、手套和适当的呼吸装置;
- I nearly suffocated when the pipe of my breathing apparatus came adrift. 呼吸器上的管子脱落时，我差点给憋死。
- I nearly suffocated when the pipe of my breathing apparatus came adrift . 呼吸器上的管子脱落时，我差点给憋死。
- In emergency situations, wear a self-contained breathing apparatus (SCBA). 紧急形势下，使用自给式呼吸器。
