Đặt câu với từ "coker"
1. Gas oils (petroleum), hydrodesulphurised coker heavy vacuum; Heavy fuel oil
Gasöle (Erdöl), hydrodesulfurierte Koker schwere Vakuum; Heizöl schwer
1. Gas oils (petroleum), hydrodesulphurised coker heavy vacuum; Heavy fuel oil
Gasöle (Erdöl), hydrodesulfurierte Koker schwere Vakuum; Heizöl schwer