Previously, Duchateau (2005) tested a direct substitution of a WPC sill plate for PPT lumber in light-frame walls.
此前，Duchateau(2005)做了轻型框架结构中用WPC直接替代PPT木质板材做地基木的测试。
Companies, which account for 80% or more of revenue from letters at postal firms, have slashed direct-mail advertising budgets and embraced substitution as a way to reduce costs.
一般来说，邮递业收入中超过80%来自公司企业的信件投递业务，而这些大主顾现在却不得不大幅减少自身的广告邮件预算并大量使用电子邮件以降低公司的运营成本。
Through imitation Japan, Germany, Italy and other countries products, direct import substitution.
通过日本、德国、意大利等国产品，直接替代进口。
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