Chinese Version(中文版)
|
EBooks(电子书)
Plungers
[plʌndʒəz]
Examples
Water
is
supplied
to
the
two
plungers
under
a
pressure
of
7,000
pounds
per
square
inch
,
giving
it
a
maximum
capacity
of
15,000
tons
.
Various.
The Wonder Book of Knowledge
.
Editor: Sweeney
