With hose lengths over 50 ft, or when material viscosities are high, higher material pump pressures may be necessary.
当软管长度超过50英尺，或材料粘度较高时，可能需要较高的原料泵压力。
2
Then the material in the feeding tank enters the feed hose and the charging cylinder via the tee piece under atmospheric pressure.
供料桶内的物料被大气压力压入出进料软管，通过进出料的三通管进入料缸。
3
This paper introduces the industry actuality of aramid reinforced high pressure hose and compared the performance of aramid with other reinforcing material.