求翻译：本试验中母材为厚度为2mm的AZ31B镁合金和厚度同样为2mm的TC4钛合金，中间层采用厚度均为30μm的纯Al箔和纯Cu箔。本试验母材的化学成分见表1。是什么意思？

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In this test base materials for a thickness of 2 mm thickness of magnesium and the same AZ31B a 2 mm TC4 titanium alloy, middle tier using thickness is 30 µm Plain foil and pure cu al foil. This test base materials of chemical ingredients, see table 1.

In this experiment the parent metal for thickness is the 2mm AZ31B magnesium alloy and thickness is similarly the 2mm TC4 titanium alloy, the intermediate level uses thickness for 30μm the pure Al foil and the pure Cu foil.This experimental parent metal chemical composition see Table 1.

The test material thickness of 2mm of AZ31B magnesium alloy and the thickness is the same as 2mm TC4 titanium alloy, the middle layer thickness is 30 μ m of pure Al foils and foil of pure Cu. Base metal chemical composition in this test are shown in table 1.

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