Adopt the sand-proofstructure design for the whole water pump, bring down the damage to pump itself.
水泵整体采用抗沙性结构设计，降低了水井沙子对水泵的损坏程度。
2
Explosion proof flexible tube flame resistance, corrosion resistance, water resistance, ageing resistance, good flexible, firm structure, reliable operation, etc.
防爆挠性管具有耐燃、耐腐蚀、耐水、耐老化、挠性良好、结构牢固、工作可靠等优点。
3
This paper introduces the structure, performance, characteristic, using scope of new type waterproof materials SDK and building technique and operating demands.