compressed-air scuba

compressed-air scuba

自戴式压缩空气潜水呼吸器

portable diving air compressor

便携式潜水空气压缩机

compressed air line breathing apparatus

压缩空气管道呼吸装置

Never enter an oxygen-deficient atmosphere (

禁止未戴自给式呼吸器进入缺氧空气（氧含量小于19.5%）。

Closed-circuit Positive Pressure Self-contained Breathing Apparatus Technology of Oxygen

自给闭路式正压氧气呼吸器技术浅议

Divers must breathe compressed air to keep from being crushed by the weight, or pressure, of the surrounding water.

潜水员必须吸入压缩空气才不致受到周围海水压力的伤害。

semiclosed-circuit mixed-gas scuba

自足式半闭路混合气水下呼吸器

A diver who comes up for air

一个升到水面呼吸空气的潜水员

The diver comes up for air.

潜水员升到水面呼吸空气。

Scuba, Snorkeling and Water-sports apparel (excellent pricing).

配套的水呼吸器，戴呼吸管潜泳并且水运动衣服(优秀定价)。

automatic compressed air guider

压缩空气自动导布器

surface-supplied compressed-air-diving

水面供给的压缩空气潜水

anti-drawning mask

带氧气呼吸器的轻型潜水面罩

The scuba diver submerged and swarm toward a coral reef.

戴着呼吸器的潜水员潜入水底，朝珊瑚礁游了过去。

Technical specification for high pressure reciprocating air diving apparatus

GB/T12930-1991潜水装具用高压活塞式空气压缩机技术条件

Application of self-cleaning air filter in centrifugal air compressor

自洁式空气过滤器在离心式压缩机上的应用

respiratory mask for use with oxygen or compressed air bottles

呼吸面具,与氧气或压缩空气瓶一道使用

a new breather in the diver's equipment

潜水装备的新式呼吸孔