Air-entraining agent increases impermeability of hybrid fiber concrete.引气剂有助于提高混杂纤维混凝土的抗渗性。Even an air - entraining agent can be used because the minute pores are discontinuous.甚至可以使用加气剂,因为小的气孔是不连通的.Third, the option of ...
Sony has also led the way in shrinking the size of compact-disc players.索尼公司在缩小CD播放机的体积方面也处于领先地位。Our main clients include Procter & Gamble , Mars, Sony Ericsson etc.我们的主要客户包括 宝洁, 玛氏食品, 索尼爱立信等.The impacts of multiple oper...
Ironworks of 3 bright steel is enterprise of iron and steel of countrywide place backbone.三明钢铁厂是全国地方骨干钢铁企业.a countrywide mail-order service全国性的邮购服务They sent out questionnaires to 100 schools countrywide.他们向全国100所学校发放了问卷。...