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“impervious layer”簡單造句,impervious layer造句子

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Research and discussion on questions of construction of earth-rock dams with asphalt-concrete impervious layer

The design was taken an asphalt concrete impervious layer alternative as winter construction and pressing construction stage.

impervious layer造句

This impervious layer or boundary will retard the free diffusion of moisture. This condition is referred to as case hardening.