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透气度 tòuqìdù
desert. degree of aeration
el.mach. gas permeability
met. air permeability; venting quality
oil gas transmission
plast. air porosity
tech. unfilled porosity
透气度以s/100mL 空气表示 tòuqìdù
anim.husb. porosity
透气度: 25 phrases in 9 subjects
Architecture2
Aviation1
Desert science2
General1
Metallurgy4
Oil / petroleum2
Shipbuilding2
Technology10
Wind Energy1