diving apparatus造句

helmet-hose diving apparatus

Hookah type diving apparatus

Technical specification for high pressure reciprocating air diving apparatus

spherical deep diving apparatus (lowered by a cable) for underwater exploration.

At present there are two testing devices for different kinds of diving apparatus.

diving apparatus for underwater work; has an open bottom and is supplied with compressed air.

Now, we may have the aid of newest diving apparatus, under, when having no heavy space, proud swim in this colour is beautiful , the benthic world that is filled with innervation and vigour, take pictures souvenir, the thing and matter that record sideswipes before you.