L or t sections, not further worked than hot - rolled, hot-drawn or extruded, of a height of 80mm or more.
角钢及丁字钢，除热轧、热拉拔或热挤压外未经进一步加工，截面高度在80毫米及以上。
Other bars and rods of iron or non-alloy steel, not further worked than forged, hot-rolled, hot-drawn or hot-extruded, but including those twisted after rolling.
铁或非合金钢的其他条、杆，除锻造、热轧、热拉拔或热挤压外未经进一步加工，包括轧制后扭曲的。
Hot air is drawn into the underground canal, where the water is kept cool because it is so far beneath the surface.
热空气被牵引至地下管道，那里的水因为远离地表而总是很凉。
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