对拖拉机、汽车发电机定子铁心卷叠加工工艺的若干关键技术作了较为全面的论述，并归纳出有实用价值的带料展开齿节距计算式。
It is the technology of coiling metal strips to produce stator cores of direct current dynamo used in tractors and automobiles being paid great attention increasingly in our country.
在我的生命中，对于此，我仍然相信不可思议的三连胜式——圣诞老人、复活节小兔和换齿仙子。
At that point in my life, I still believed in the magical trifecta—Santa Claus, the Easter Bunny, and the Tooth Fairy.
胸、腹部淡红色或粉色，臀栉4 ~ 7节，齿深褐色。
Chest and abdomen pink or pink, hip 4 ~ 7 day, tooth dark brown.
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