由于矿体小，传统印石采制主要是手工挖掘。
Because of the small mine, usually the ore was excavated by hand.
为了保证煤炭样品的代表性，在煤样采制过程中，必须规范操作行为。
In order to guarantee the representation of coal samples, in the process of coal sampling, operation behavior should be normalized.
介绍了SX2型旋转缩分器的结构特点及其在煤炭机械化采制样装置中的应用。
The structure of new-designed SX2 rotary type coal division device is introduced in this paper.
通过长期煤炭采制样过程的实践，对经常出现的几种差异问题加以分析探讨，提出了可操作的解决方法。
Some problems and deviation often appeared in course of sampling and preparation of commercial coal are discussed in this paper, and consequently the feasible solutions are presented.
茶叶的生产、采制、加工直至包装全过程的卫生条件较差，离出口标准有一定的差距。
There is still a long distance up to the export standards of tea leaves especially in the hygienic conditions for the whole process of production, acquisition, processing and packaging.
美国就控制燃煤工厂污染和限制煤石油天然气的开采制定了大量新规，这些新规同样适用于联邦土地和沿岸水域。
It enacted a host of new regulations governing pollution from coal-fired power plants and limiting coal mining and oil and gas drilling both on federal lands and in coastal waters.
美国就控制燃煤工厂污染和限制煤石油天然气的开采制定了大量新规，这些新规同样适用于联邦土地和沿岸水域。
It enacted a host of new regulations governing pollution from coal-fired power plants and limiting coal mining and oil and gas drilling both on federal lands and in coastal waters.
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