A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.
200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。
To solve the problems of massive work and low efficiency during Casting Rolling processes design, an expert system for Casting Rolling process design of copper alloy tubes had been developed.
针对铸轧工艺设计工作量大、效率低的问题，进行了“铜合金管材铸轧工艺专家系统”软件的开发。
Moreover the casting head is quite unwieldy, waste massive molten metals, the product rate is low.
而且浇冒口比较笨重，浪费大量金属液，出品率低。
Moreover the casting head is quite unwieldy, waste massive molten metals, the product rate is low.
而且浇冒口比较笨重，浪费大量金属液，出品率低。
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