Check the paper size and paper to determine the paper-feedtray.
查抄纸，猜测纸尺寸与送纸器抵髑。
2
This article makes an overall calculation, analysis and comparison for water feed and theoretical tray number of half-water gas scrubber.
对半水煤气洗气塔进水量、理论板数较全面进行了计算分析及比较。
3
The design and its working principle of vertical feed mechanism in transplanter for rice seedling growing in cupulate compartment tray which made of straw were described in the paper.