The worn-out bags are all second-hand ones()stated in the Shipping Order.
A、so
B、as
C、that
D、like
A、so
B、as
C、that
D、like
A、storing all items in an assigned place B、storing all items in a common storage container except those ready-for-sea C、tagging all items according to their age and then storing them together D、disposing of worn-out items
A、is usually cooled by sea water B、can be replaced when worn out C、is in direct contact with the water in the bore of the cylinder D、can t expand when heated