surfaces由下列几个并列关系的短语修饰:
(1)of the order of 1200m^2/m^3;
(2)(of) corrugation height 3.11.8mm;
(3)(of) corrugation thickness 0.0.6mm;
(4)and (of) fin density 230~700fins/m.
后面几个并列短语承前省略了of.
surfaces由下列几个并列关系的短语修饰:
(1)of the order of 1200m^2/m^3;
(2)(of) corrugation height 3.11.8mm;
(3)(of) corrugation thickness 0.0.6mm;
(4)and (of) fin density 230~700fins/m.
后面几个并列短语承前省略了of.