Cement multi-stabilized gravel base has advantage on its high strength, low cost and wide source, widely used in West of China, but in the long run, it is weak in premature destroy.
水泥稳定类砂砾基层具有强度高、造价低廉、原材料来源广等优点,能够很好地适应当前西部的交通条件、自然条件和经济条件。
Children had run happily up and down the gravel paths and on the grassy borders and around the airplane, giggling, happy, oblivious to the bomber but perhaps absorbing its bulky shadow.
孩子们在沙砾铺成的小路上,在长满了青草的花坛边上,在飞机的周围,愉快地跑着,咯咯地笑着,根本就不去理会那架轰炸机,不过他们也许把它那巨大的身形记在心里了。
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