| 摘要 |
<p>Propadiene and/or propyne based fuel gas (for heating, melting, welding or cutting of metals) contains as diluent to prevent spontaneous decomposition of the liquid mixture during storage, a 4C satd. or olefinic hydrocarbon (e.g. >=32 mole.% 2-methylpropane, or >=45 mole.% cis-butene).</p> |
