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Self-sealing adhesive as well as preparation method and application thereof
Sealing structure of compressed air control type ship stern sealing device
Compressed air control type ship stern sealing device inspection and calibration device
Preparation, storage and generation integrated movable hydrogen energy system
Method for disassembling and assembling aircraft skin
Exhaust pipe air entraining device for asphalt transport vehicle and asphalt heating system
Bearing-wave transmission-shielding integrated composite cabin and preparation method thereof