Long tube breathing apparatus
The long tube breathing apparatus in mobile aerator city gas are breath combination , preparative 30m fastness canal 1 base 、 10m bassoon two base ， most use distance 50m ， be qualified 2 convention breath veil ， confess 2 human at one time apply 。 mobile aerator city gas have excessive do nothing but gas cylinder ， gas cylinder by oneself also at one time confess gas 。 mobile aerator city gas confess gas time long ， approve confess God's image breath confess supplier 、 pneumatic equipment confess supplier ate check and measure equipment confess supplier 。