双语例句
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For the medium sand system of the low ammonia nitrogen, by shortening HLC, the removal effect of the system is significantly improved.
对中砂的中低氨氮进水系统，通过缩短水力负荷周期，会使去除效果得到明显改善。
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Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
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A cathodic protection method was conducted for underground storage tanks in a sand medium by using external coatings and sacrifice anode.
对沙介质中的储罐采用外涂层加牺牲阳极的阴极保护措施。
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