Aperture,operating,front.是什么意思

网络释义

用法例句

According to the conditions of producing military supplies cattle upper shoes leather such as etiquete shoes leather?training shoes leather?and so on,This paper probes the preparation processing which is leading to the leather properties.

本文根据生产军需礼仪鞋革、作训革等黄牛正鞋面革的要求 ,对其成革性能起主导作用的鞣前工艺进行了探

The technology equipment should be improved, the energy saving measures, burning automation and a little high pressure technology should be extended and applied in process before iron makin

结合铸管公司的炼铁现状 ,提出发挥小高炉的生产潜力 ,铁前工艺应做到提供合理炉料结构 ,增加熟料比 ,保证入炉成分稳定 ;炼铁工艺应完善技术装备 ,推广采用节能降焦、自动化烧炉及小高压技术