| 释义 |
richen
英音 [ ˈrɪtʃən ]
美音 [ ˈrɪtʃən ]
释义
vt. 使富；使更浓
变形
richens
第三人称单数
richening
现在分词
richened
过去式
richened
过去分词
例句
1·Richen food industry co. ltd.
食品处理行业专用铂电阻。
2·The porosity and permeability of coal-bearing strata have important influence to the exhaust and mining of coal bed gas, but the production of coal bed gas is precondition of its richen .
煤系地层孔隙性和渗透率对煤层气的抽放、排采具有重要影响，但煤层气的生成却是其富集的先决条件。
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