... variety of gap leakage, wave leakage, underground water gushing. Grouting plugging directly with water. Could effectively inject grout into the cracks ... can be used. 9, multi-functional: a multifunctional computer, and plugging grouting, cracks, grouting reinforcement. 10, durable: the maximum pressure of ... -component high-pressure concrete injection pump,waterproof injection pump, injecting machine