cover seam 中文意思是什麼
cover seam
解釋
外層膠接縫-
Up to 2007 the company owes more than twenty mining rights, which cover over ten resource such as iron, copper, lead, zinc, manganese, nickel, tungsten, stannum, gold, silver, molybdenum, zirconium, titanium, coal and coal seam gas
截至2007年初公司擁有礦業權數20餘個,涉及鐵、銅、鉛、鋅、錳、鎳、鎢、錫、金、銀、鉬、鋯、鈦、煤、煤層氣等十幾個礦種。 -
Inspection welding seam and dimension of cargo hatch cover
貨艙艙口蓋焊縫和尺度檢查。
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