因此渗透的测量是对特定物质流体传递能力的测量。
The measurement of permeability, then is a measure of the fluid conductivity of the particular material.
旅客或者机组成员携带的在《技术细则》规定范围内的特定物品和物质。
Specified articles and substances carried by passengers or crew members within the extent specified in the Technical Instructions.
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