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Concentrates
['kɑnsɛn,tret]
例句:
We
are
now
in
sight
of
the
real
'
concentrates
,'
which
are
conveyed
to
dryer
No
.
弗兰克·刘易斯·戴尔.
爱迪生的生平和发明
.
Obviously
,
at
each
step
the
percentage
of
felspar
and
phosphorus
is
less
and
less
until
in
the
final
concentrates
the
percentage
of
iron
oxide
is
91
to
93
per
cent
.
弗兰克·刘易斯·戴尔.
爱迪生的生平和发明
.
手打:托马斯
