1. The batteries are designed to be leak-proof and hermetically sealed.

2. The building will need to be carefully leak-proofed against the outside air, and customers will have to enter by an air-lock.

3. Long - life leakproof stem seal.

4. Stronger leakproof body - bonnet joint.

5. The leakproof of our product, exceptionally good of its kind.

6. Using seamless and leakproof urethane frame for good vacuum seal.

6. Sentencedict.com try its best to gather and create good sentences.

7. Sealed type bearings are mudproof, dustproof, and leakproof ( grease ) without the use of shaft seals.

8. Long - life leakproof packing chamber with double packing and leak - off or single set packing.

9. Co - operation project: The supply and the construction about the leakproof material of landfill.

10. This kit allow conversion, in the pipe line, from bolted bonnet valves to bellows leakproof valves.

11. And it is pointed out that, due to their inherent defect, casings with API round threads cannot meet the leakproof requirement of high-pressure oil wells and high-pressure gas wells, therefore c...

12. Adopt measures, through the size of disc insert objects to rest Angle principle leakproof function.

13. The reasonable bonding joint between load-bearing metal parts and composite for the present of a certain torpedo is decided to achieve the ideal bonding and leakproof.

14. Special safety concepts signalise a beginning failure of the leakproof operation.