Van cổng: Thiết kế, Nguyên vật liệu, Tiêu chuẩn, và tổng quan thị trường
Van cổng, a product of the industrial revolution, have long held a dominant position in the industry despite the historical presence of many other valves such as globe valves and plug valves. Tuy nhiên, in recent years, gate valves have faced … Đọc tiếp