Question on the screen fabric with long side of the screen frame because most screen cloth in the direction uponsize passbys can withstand scraping plate grapplingdevice of back and forth.

• 丝网布的不纬向给与网框的不幼外分歧，因为大多丝网布在这个标的目的上不推力较好，可以不纬得起刮不朱板单程的俐落。