1. The former is the important condition for the occurrence of a disease, which the deficiency of the latter is the intrinsic factor for the occurrence of a disease. 前者是疾病发生的重要条件，后者的亏虚则是疾病发生的必要条件。
2. The slag crusher of BZ-Q mixed-type gas occurrence furnace casted from ash cast iron is an important component of slag crush in gas occurrence furnace. 混合型煤气发生炉碎渣圈是煤气发生炉碎渣重要设备，由灰口铸铁铸成。
3. Overriding the format of a file is a relatively rare occurrence. Saving a file is a very common occurrence. These two functions should not be combined. 很少发生改变文件物理格式的情况，保存文件是很普遍的情况，这两个功能不应该结合。
4. The slag crusher of BZ-Q mixed-type gas occurrence furnace casted from ash cast iron is an important component of slag crush in gas occurrence furnace. 混合型煤气发生炉碎渣圈是煤气发生炉碎渣重要设备，由灰口铸铁铸成。
5. The slag crusher of BZ-Q mixed-type gas occurrence furnace casted from ash cast iron is an important component of slag crush in gas occurrence furnace. BZ-Q混合型煤气发生炉碎渣圈是煤气发生炉碎渣重要设备，由灰口铸铁铸成。
