TXT
묘사:
Optical Instrument Window
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the circumference.ABMZ
Diameter:
Between 3.248 inches and 3.250 inches
MRC:
A measurement of the smallest dimension of an item,in distinction from length or width.ABNM
Thickness:
Between 0.120 inches and 0.125 inches
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Glass, dd-g-451, type i, class 1, quality q1 or q2
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Glass, dd-g-451, type i, class 1, quality q1 or q2