“diving apparatus”造句，怎麼用diving apparatus造句

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

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.

Hookah type diving apparatus

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

helmet-hose diving apparatus

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

Technical specification for high pressure reciprocating air diving apparatus