Steel Sand Drilling 钢砂钻进
Steel Sand Gloves 玄铁手套
Steel sand castings 钢砂铸件
concrete mixed with steel sand 铁钢砂混凝土
magnesium sand cast steel coating 镁砂铸锢涂料
steel slag sand 钢渣砂
sand steel 砂钢
steel slag sand mortar 钢渣砂砂浆
Precision injection molding, casting, mold repair metal jewelry and accessories, precision stampings, welding, lost wax castings, aluminum castings, stainless steel sand hole repair.
精密注塑、压铸、模具的修补金属饰品及配件、精密冲压件的焊接、失蜡铸件、铝铸件、不锈钢产品砂孔修补。
Cement, steel, even sand are becoming pricier, and engineers are in short supply.
水泥,钢材,甚至沙子都更贵了,而且工程师短缺。
In the centre of the capital and the neighbouring towns the buildings are too often made of weak concrete, cut with sand and lacking the steel rods that would fortify them against shocks.
首都中心以及周边城镇的建筑都由一些劣质的混凝土与沙混合组成,缺乏用来加固建筑以防地震的钢筋。
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