overall dimensions
(1)总尺寸，全尺寸
(2)最大尺寸

• approximate valuation
• approximate value
• approximation
• appurtenance
• apricot
• apron
• aprotic liquid laser
• aquadag
• Aquadg Layer
• aquamarine
• aqua regia
• aquaseal
• aqua-solution
• aqueous
• aqueous humour
• arachidic acid solution
• aragonite
• Arago Spot
• Araldite
• arbitrary
• arbitrary incident wave
• arbitrary shape
• arbitrary source
• arbitrary value
• arbor