The study provides the most extensive look yet at particle emissions of office printers, including Canon, Hewlett-Packard, Ricoh and Toshiba models.
这项研究提供了最广泛的办公打印机的例子发射，包括佳能、惠普、理光和东芝。
In January, the global technology company Hewlett-Packard agreed to sell 3-d printers manufactured by Stratasys.
今年1月，跨国科技公司惠普同意销售Stratasys公司制造的三维打印机。
In January, the global technology company Hewlett-Packard agreed to sell 3-d printers manufactured by Stratasys.
今年1月，跨国科技公司惠普同意销售Stratasys公司制造的三维打印机。
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