斯图尔特称，有些墨西哥集团已经在危地马拉北部佩滕的雨林中“荒无人烟的绿色真空地带”设立了训练营和存储站。
Some Mexican groups have set up training camps and storage facilities in the jungles of Petén, a “big green hole of nothing” in northern Guatemala, according to Mr Stewart.
真空镀膜制程是21世纪中最重要的绿色科技之一。
Vacuum coating process is one of the most important green technologies in 21st century.
压片的（绿色团体）是真空炉烧结的试点规模在1440 C为1小时。
The pressed pieces (green bodies) are sintered in vacuum furnace of pilot scale at 1440 C for 1 h.
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