Each noise barrier shall be a continuous structure with no gaps or openings. 每道隔音屏障须是一道连接而没有间隙或开口的结构。
The stroke and frequency of shearing can be controlled, the machine has the function of single shearing and sutomatic continuous shearing. 具有无级调节行程的功能，上下刀片刃口间隙量用手柄调节，刀片间隙均匀快速易调。
