ban tao moi lap ghep giua 2 chi tiet do co do ho 0.01-0.03 la ok , sau do ban dung then dinh vi, dung vit chi kep chat, tui ko biet chi tiet cua ban nhu the nao nen chi gop y vay thoi , neu ban co the gui ban ve chi tiet cho tui vao mail tui co the nghien cuu va gop y day du va chinh xac hon cho ban , mail cua tui
hoangdam11884@yahoo.com.vn, rat mong ban hoi am cho tui , thanks.