泥炭是煤形成的第一阶段，是一种低质煤。
Peat, the first stage in the formation of coal, is a low-rank material.
本发明涉及采用重质烃裂解制低碳烯烃的方法及系统。
The present invention is method and system for cracking heavy hydrocarbon to prepare low-carbon olefin.
品质： 严把商品采购关，拒绝销售一切低质价高、价低质低的商品。
Quality:making sure of the quality, refusing to sell any products Of poor quality.
品质： 严把商品采购关，拒绝销售一切低质价高、价低质低的商品。
Quality:making sure of the quality, refusing to sell any products Of poor quality.
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