【Copy url：ac99·net】pg 电子

diàn zǐ electronic; electron (particle physics)

官方

guān fāng government; official (approved or issued by an authority)

免费

miǎn fèi free (of charge)

下载

xià zǎi to download; also pr. [xia4 zai4]

（ 中国

Zhōng guó China

） 有限公司

yǒu xiàn gōng sī limited company; corporation

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