no flow pressure 无流量压力
No blood pressure, no pulse, no oxygen, no blood flow.
没有血压，没有脉搏，没有呼吸，没有血液流动。
High viscosity gear pump does not generate pressure, it is only the output flow. Pressure is low or no pressure, high viscosity gear wheel pump don't inhale the liquid or leakage is serious.
高粘度齿轮泵并不能产生压力，它只是输出流量。压力低或无压力，说明高粘度齿轮泵没有吸入液体或泄漏严重。
If there are no severe lacerations, apply direct pressure on the wound with thumb and/or fingers to help slow the flow of blood so that clots can form.
如果没有严重的伤口，那么用拇指或者手指压在伤口处来减缓血流的速度，这样血就能凝固了。
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