Adopt the sand-proof structure 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。

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With reliable explosion-proof performances, complete unit adopts compound. type complete-unit explosion-proof structure.

防爆性能可靠，整机采用复合型防爆型式，整机防爆。

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The utility model relates to a flame-proof structure for a shaft, belonging to the electromotor manufacturing field, which comprises a shaft, a flame-proof sleeve and a bearing.

本实用新型涉及电动机制造领域，具体说是一种轴用隔爆结构。

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And this giant, earthquake-proof structure was to be put up in 90 days.

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That is because branded drugmakers deem patents covering molecular structure to be their most prized, and thus work harder to make them bomb-proof and fight harder when they are threatened.

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