... 包辊rubber covered roll 割胶rubber tapping 堆积胶stacking rubber ...
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rubber tapping knife 橡胶刀
rubber tapping in plantation 农场割胶
The recent downturn in the zone's output suggests that the region is vulnerable to sudden changes in fortunes just as it was 90 years ago, when competition from South-East Asian plantations wiped out its rubber-tapping industry.
ECONOMIST: Brazil��s industrial policy
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