shrink wra ing machine 收缩裹包机
At present, traditional voice service market is shrinking continuously and APRU of telecommunication carrier decreases.
当前,电信运营商面临着竞争不断加剧、传统话音业务市场萎缩、APRU值逐步下降的市场形势。
参考来源 - 数据业务平台定价模式研究 (研究生论文)Most areas of Saudi Arabia belong to tropic desert climate,it is scorching and dry in summer and the temperature may exceed 50℃. The concrete just-poured is prone to produce shrinking cracks because of the high temperature and rapid water vaporizing.
沙特阿拉伯王国大部分地区属热带沙漠气候,夏季炎热干燥,最高气温可达50℃以上,现浇混凝土因气温高、水分蒸发快易产生收缩裂缝。
参考来源 - 沙特南北铁路项目中高温环境下混凝土施工的质量控制·2,447,543篇论文数据,部分数据来源于NoteExpress
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