Reduce furnace bottomsteam, pass small intake valve.
减少炉底蒸汽，关小进气阀门。
2
Alternatively, the time-saving method is to cure the dye in an oven pre-heated to 285 degrees for 10 minutes with a pan of water in the bottom of the oven to provide steam.
可选地，省时省力的方法是治愈染料在烘箱中预热至285度进行10分钟的水在烤箱以提供蒸汽的底的锅。
3
A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane.