A final layer of dry plant material shall be added to the waste/compost to protect it from direct rainwater contact while it decomposes.

同时要把干燥的植物覆盖在粪便或堆肥物的表层，这样可以避免分解过程中的猪粪与雨水接触。

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The current forms a porous layer on the one or more surfaces of the semiconductor material in contact with the electrolyte.

电流在与电解质接触的半导体材料的一或多个表面上形成多孔层。

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With a spatula apply a layer of bonding compound BONDING AND ADHESIVE COMPOUNDS (Material No. 08-004) to the contact faces of the heat exchanger and the ducts.

在热交换器和管子的接触面上用一抹刀涂上一层复合胶粘剂（材料号08-004）。

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