在此基础上，对预燃室喷嘴直径进行了优化试验研究。
Experimental studies on the diameter of spray nozzle of the pre-chamber have been optimized.
提高带速或者增大喷嘴直径都可以提高水垫压力场的压力值。
The values of the water cushion pressure are higher with higher belt velocity or bigger muzzles diameter.
而喷嘴前的水流压力和喷嘴直径则是影响喷头射程的主要因素。
The diameter of spray nozzle and pressure of sprinkler in the front of the spray nozzle are the major factor that affects sprinkler range.
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