Sổ tay kỹ sư cơ khí P12 ppsx
Sổ tay kỹ sư cơ khí P5 doc
... and the
packing gland. This extension
is gas filled so
that
the
packing gland temperature stays close
to
ambient.
For
low-speed bearings babbitting
is
usually acceptable,
as is
graphite
