The gravel, grave cement and concrete thickness are given for reference only; the finalthickness will be accurately calculated according to Chinese regulation.
砂砾层，水泥稳定石层，和混凝土层的厚度仅供参考，最终将根据中国规范精确的测算出其各自厚度。
2
Outdoor durability of painting the final project - in the same case, the thin film is more easily eroded than the thickness of the film.
室外涂装工程的最终耐久性-在相同情况下，薄漆膜比厚漆膜更易被侵蚀。
3
Slabs are heated in reheating furnaces and rolled to the required thickness in hot-rolling mills. The final product is flat steel in coils and thick plates.