呼吸器具 meaning in English

breathing apparatus

Air line breathing apparatus
气喉型呼吸器具
Recommendations on the safety measures required , including whether or not the use of approved breathing apparatus is necessary
就需要的安全措施作出建议，包括是否需要使用认可呼吸器具
Where use of breathing apparatus is required , ensure the person is also wearing a safety harness connected to a lifeline the free end of which is held by a person who is capable of pulling him out of the confined space breathing apparatus for confined space work shall be of a type approved by the commissioner for labour
确保使用认可呼吸器具的人亦已配戴安全吊带，而安全吊带是与一条救生绳接连，救生绳的另一端须由一个身处密闭空间外并有能力将该人从密闭空间拉出的人拿著