Shenhai Explosion-Proof
Methane tus explosive concentration nyob rau saum tej huab cua ntau yam los ntawm 5% mus rau 15%.
Nws yuav detonate raws li xeeb no harbor, Thaum concentrations tsawg dua los yog ntau dua qhov no yog cov-explosive.
Methane tus explosive concentration nyob rau saum tej huab cua ntau yam los ntawm 5% mus rau 15%.
Nws yuav detonate raws li xeeb no harbor, Thaum concentrations tsawg dua los yog ntau dua qhov no yog cov-explosive.