The low cost of rail transport will be offset by the high expenses of loading and unloading.
低廉的铁路运输费将被昂贵的装卸费所抵消。
The advantages of these biotechnologies are relatively low cost and high efficiency, simple and practical, easy operation with good resistance to shock loading.
三项生物技术的共同特点是高效快速、低耗节能、简易实用、管理方便且能耐受高负荷污水的冲击。
The results show that Tween-20 can effectively increase reducing sugar and ethanol yields and reduce the amount of high-cost enzyme loading.
结果显示，吐温-20能有效地提高发酵液中还原糖和乙醇的产率，减少高成本的纤维素酶用量。
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