quick-action puller
... 快速拉马QUICK-ACTION PULLER 两爪液压拉马UNIVERSAL 2-ARM PULLER 拉马延长杆EXTENSION FOR PULLERS ...
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吉峰拉马提岩的形成时代为中元古代,其形成环境可能是地壳拉伸减薄,上涌的科马提质岩浆在淬火 快速 冷却的条件下形成。
The komatiites were formed in Mesoproterozoic, in a tectonic environment of tensile crust, while ther ising komatiite magma was quenched a nd rapidly cooled.
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