[I18N] Update translation terms from Transifex

locale/zh_CN/LC_MESSAGES/helpdesk.po

@@ -217,7 +217,7 @@ msgstr ""
 #: ../../helpdesk/overview/ratings.rst:10
 #: ../../helpdesk/timesheet_and_invoice/invoice_time.rst:11
 msgid "Set up"
-msgstr ""
+msgstr "设置"
 
 #: ../../helpdesk/overview/forum_and_elearning.rst:16
 msgid ""
@@ -408,6 +408,8 @@ msgid ""
 "of each ticket, under the *See Customer Satisfaction* link on the main "
 "dashboard, and through *Reporting*."
 msgstr ""
+"评级上可以看到的信息 :doc:`沟通栏 <../../project/tasks/collaborate>`每个支持请求，*请参阅客户满意度下* "
+"主仪表盘的链接，并经过 *报告* 。"
 
 #: ../../helpdesk/overview/ratings.rst:39
 msgid "Ratings visible on the customer portal"
@@ -462,7 +464,7 @@ msgid ""
 "Let your customers submit tickets by sending an email to your support email "
 "address. The subject line of the email becomes the title of the ticket and "
 "the content is shown in the Chatter."
-msgstr ""
+msgstr "让您的客户发送支持请求到您的客户支持电邮地址。 电子邮件的主题行成为支持请求的标题，其内容显示在沟通栏中。"
 
 #: ../../helpdesk/overview/receiving_tickets.rst:26
 msgid ""