The country is totally self-sufficient in food production.
在粮食生产上，这个国家完全做到了自给自足。
Self-burning of coal seriously restricts the safety production of coal mine.
煤炭自燃严重制约着矿井的安全生产。
Production R & D self-locking key switch;
生产研发自锁按键开关；
Long term happiness is based on honest, production work, contribution and the self-esteem.
长久的幸福基于诚实，创造性的工作，自控力和自信心。
Long term happiness is based on honest, production work, contribution and the self-esteem.
长久的幸福基于诚实，创造性的工作，自控力和自信心。
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