Kev pabcuam

Qhov Chaw Muag Khoom Ua Ntej

* Cov qauv xeem txhawb nqa.
* Kev nug thiab kev pab sab laj txhawb nqa.
* Saib Peb Lub Hoobkas.

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20161109161751_18679

Kev Pabcuam Tomqab Muag

* Kev cob qhia yuav ua li cas rau nruab lub tshuab, kev cob qhia yuav ua li cas siv lub tshuab.
* Cov engineers muaj rau cov kev pabcuam tshuab txawv tebchaw.

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