Could you hold the breathing apparatus while I get my arms through the straps?

How to say “Could you hold the breathing apparatus while I get my arms through the straps?” in Japanese

In Japanese

腕(うで)をベルトに通(とお)すあいだ、空気呼吸器(くうきこきゅうき)を持(も)っててくれる？

Ude o beruto ni tōsu aida, kūki kokyūki o motte te kureru?

Could you hold the breathing apparatus while I get my arms through the straps? in other languages