HIDDEN behind a row of trees and a rusted barbed-wire fence on a rutted dirt road in the Ecuadorean jungle, Shushufindi 61, a pit in which oil waste is dumped, is hardly a beauty spot.
在厄瓜多尔舒舒分地61区的热带丛林中，一排排的树木和生锈的带刺铁丝围栏之后，藏匿着一处石油废料倾倒坑，周围肮脏的地上尚留有车辙。
When it is rolled into wire rod, the pit defect can be seen, affecting the surface quality of wire rod.
当钢坯被轧制为线材时，钢坯表面的“凹坑”缺陷对线材的表面质量仍有一定的影响。
It is difficult to maintenance the wire communication device in the pit because the ground is wet, cable corrosion is serious and sign al is bad.
由于煤矿井下地面潮湿，电缆腐蚀严重，信号不好，有线通信装置维护困难。
It is difficult to maintenance the wire communication device in the pit because the ground is wet, cable corrosion is serious and sign al is bad.
由于煤矿井下地面潮湿，电缆腐蚀严重，信号不好，有线通信装置维护困难。
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