1. If none of the above does the trick, you may have a misadjusted or faulty fill valve that needs replacement. 如果以上办法还不能解决问题,那么可能是入水阀门不合适或者太劣质,需要重新换一个。
2. The misadjusting parameter of the misadjusted telescopic system is used to adjust the focusing posit ion of outgoing beam. 用失调望远系统的失调量变化调节出射光束聚焦点的位置,并对聚焦点的变化范围和光斑大小进行描述。