掌握长抽距或斜抽芯塑件的结构工艺分析及抽芯距、抽芯力的计算，齿轮、齿条注射模侧向抽芯机构的原理和齿轮、齿条设计要点尤其关键。
At the same time, introduce the principle of side core-pulling mechanism of gear and rack injection mold, and design gist of a rack.
同样，一天抽一包烟以上的已婚男人，寿命可能和不吸烟的离婚男人一样长。
Likewise, a married man who smokes more than a pack a day is likely to live as long as a divorced man who doesn't smoke.
全国儿童保护委员会秘书长西拉·伊特对法新社说：“他已经戒烟成功，最重要的事情是，他再也不要烟抽了。”
"He has quit smoking and the most important thing is he doesn't ask for cigarettes anymore," national commission for child protection secretary-general Arist Merdeka Sirait told AFP.
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