He reviews articles in his spare time.
他在业余时间写评论文章。
Previous articles and studies have concluded that wheeled vehicles are intrinsically more reliable than tracked vehicles and, therefore, require less maintenance and supply support (spare parts).
前人的文章和研究已经证明轮式车辆比履带车辆更可靠。因此它需要的综合保障能力和后勤供给保障(提供备用零件)相对较少。
Suppliers selection, quality of articles and materials check on, review the purchasing plan of production chemicals, test chemicals (and materials), nutrition chemicals, equipment spare parts etc.
负责供应商的选择和物品、材料质量把关。负责现场生产药剂、化验药剂(及物品)、营养药剂和设备备件等采购计划的审核和物品、材料的采购和运送。
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