单词	graded seal
释义	graded seal 过渡焊接;递级封接
随便看	ventilated riser motor ventilated roof ventilated shelter ventilated silo grain drier ventilated storage ventilated suit ventilated supercavitating propeller ventilated thermocline ventilated thermometer ventilated totally-enclosed motor ventilated totally enclosed motor ventilated transport ventilated type ventilated van body ventilated vehicle ventilated votor ventilated winding ventilated wind tunnel ventilate hood ventilater sliding panel ventilates ventilating ventilating air ventilating aperture ventilating arrangement 千千万万千变万化千变万状千变万轸千古一律千古一时千古一辙千古不朽千古不磨千古奇闻 brunette brush brushing brushup BS BSE BTO BtoB BtoC bubble