During the period of 1920s, Japanese troops, other countries, countries, countries, countries, countries, countries, countries, countries, countries, countries, countries, countries, countries, countries. ㄡがそのとしてでぁる.

The enemy had landed before, but it didn't know what to do. へさきに〒ぇ, のェンジンでにすににに. Side, bottom, 3,12513; ートルぐらぁった. Trumpet, Trumpet and Trumpet.

According to this passage, it is the abbreviation of large motorboat, that is, landing craft loaded with large engines.

Your Dafa here should also be an abbreviation of a word, so you should judge it in context.

It may also be a Japanese automobile manufacturing company. He has a Tianjin Dafa, which cooperates with China FAW to produce Li Xia cars. But now Japan Daihatsu has announced its withdrawal, and Tianjin Daihatsu has changed its trademark to FAW.