developed coal中文什么意思

开拓准备回采的煤

• develop:    vt. 1.使发达，使发展；使发生； ...
• coal:    n. 1.煤，煤块，煤堆。 2.〔p ...
• developed:    不发达的; 发扬；洗印,显影；生长, ...

例句与用法

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1. Preliminary research on developing coal futures in china
   我国开展煤炭期货交易的探讨
2. On developing coal seam gas resource in shanxi
   论山西煤层气资源开发
3. Developing coal cleaning and processing and lifting economic benefit
   发展洗选加工提高经济效益
4. Developing coal enterprise management imformation system with asp technology
   技术开发煤炭企业管理信息系统
5. Changing shanxi province from the poor into the rich through developing coal bed gas
   通过开发煤层气使山西省由穷变富