650){this.width=650;

650){this.width=650;

650){this.width=650;

650){this.width=650;

650){this.width=650;

650){this.width=650;

650){this.width=650;

因输煤零碎落煤管内粘煤较多，需在每次上煤

650){this.width=650;

650){this.width=650;