用英语写一份投诉信，该怎么写

dear
sir,
i
am
happy
that
the
refrigerator
we
ordered
last
week
has
arrived
on
time.
but
it
is
a
great
pity
that
we
find
there
is
something
wrong
with
the
refrigeration
facilities.
after
we
used
it
for
several
days.
we
found
that
food
stored
in
the
refrigerating
compartment
turned
bad
quickly.
when
we
finally
decided
to
take
the
temperature
in
it,
we
were
surprised
to
find
it
was
around
15℃,
far
from
the
standard
temperture
range
from
0℃
to
9℃.
this
problem
has
affected
our
normal
life.
would
you
please
let
me
know
whether
or
not
you
can
send
a
repairman
as
soon
as
possible?
i
hope
that
my
problem
will
get
your
kind
consideration.
yours
faithfully,
li
ming
［文章点评］
这封投诉信可以说写得非常好，结构很清晰，第一段首先肯定对方按时送货上门的做法，随后简述冰箱出了问题。第二段说明具体问题，第三段提出要求。