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。
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。
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。
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