底漆腻子,头道底漆,中间涂层;
Several problems of asphalt pavement on design and construction in our province including the design, construction of tack coat and seal coat, gradation control, optimal bitumen ratio determination as well as the strength criteria of semi-rigid base course are discussed in this article.
结合我省高速公路沥青路面的设计与施工,对黏层、封层的设计与施工、施工生产级配控制、最佳油石比确定以及半刚性基层强度设计指标等问题进行了探讨。
The painter applied a base coat followed by two finishing coats.
油漆匠先涂了一层底漆,之后又涂了两次外漆.
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