ϯ鲠 欨
ñ㡬便즠ᣲﱠ
弤
㡴ﳮ
b㬠妫洩:
.
ˠ宠2 饠6
弤
㡴ﳮ
ȭᦲ㡫桂, /p>
(. - deadweight), , . , , .
( )
