另有研究人员猜测，在这片林区，珍惜的动植物发生变种，其原因正是林中生物圈已与世界最大的雨林即刚果雨林生物圈的完全隔离。
Researchers suspect that the unusual plants and animals evolved in these forests because they have been cut off from the Congo rain forest, one of the largest in the world.
本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。
This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.
近年来，我国开始了对核能产业的大力发展，随之而来的是大量需要与生物圈隔离、进行永久处置的核废料。
In recent years, China began to develop its nuclear energy industry, which will produce a large number of nuclear wastes that needs to be isolated from the Biosphere and disposed permanently.
HYF型多品种构件成型机适合生产大型护壁、护坡、草坪砌块、混凝土钢纤维井盖、井圈、道路隔离墩。
HYF-type multi-component machine for production of varieties of major Wall, slope protection, turf block, concrete steel fiber covers, Jing Quan, road side of the road.
HYF型多品种构件成型机适合生产大型护壁、护坡、草坪砌块、混凝土钢纤维井盖、井圈、道路隔离墩。
HYF-type multi-component machine for production of varieties of major Wall, slope protection, turf block, concrete steel fiber covers, Jing Quan, road side of the road.
应用推荐