Methods open and close an inputpipe, respectively.
方法分别打开和关闭输入管道。
2
The listen and close methods open and close an inputpipe, respectively.
listen和close方法分别打开和关闭输入管道。
3
The aqueous alkali is injected into the inputpipe through the horn pipe, which makes the aqueous alkali mix with diesel oil homogeneously and the emulsion of diesel oil is avoid.