Please provide work permit and standard execution number, our client require them.
英翻“请提供生产许可证和执行标准代号，我们的客户需要。”
Since the execution of new national standard of cement, the cement strength drops obviously down.
实施水泥新国家标准后，水泥强度明显下降。
Since the execution of new national standard of cement, the cement strength drops obviously down.
实施水泥新国家标准后，水泥强度明显下降。
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