钨来源于已固结的花岗石，它是由地下热水或热卤水从已固结的花岗岩中浸取出来的。
The tungsten was derived from the consolidated granite and Leached was out from the consolidated granite by thermal groundwater or hot brine.
钨来源于已固结的花岗石，它是由地下热水或热卤水从已固结的花岗岩中浸取出来的。
The tungsten was derived from the consolidated granite and Leached was out from the co...
铸铁弯板分为铸铁弯板、直角弯板、 T 型槽弯板、普通弯板、拼接弯板、花岗石弯板、大理石弯板、花岗岩弯板、直角靠铁、直角靠板、直角尺弯板。
Cast iron angle plate can be divided into cast iron angle plate , right-angle bending plate, T-slot plate, the common angle plate , splicing plate, right angle by iron, right angle on board and so on.
铸铁弯板分为铸铁弯板、直角弯板、 T 型槽弯板、普通弯板、拼接弯板、花岗石弯板、大理石弯板、花岗岩弯板、直角靠铁、直角靠板、直角尺弯板。
Cast iron angle plate can be divided into cast iron angle plate , right-angle bending plate, T-slot plate, the common angle plate , splicing plate, right angle by iron, right angle on board and so on.
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