如果发现腐蚀,用指定的材料去除。
A.Removing it with special material is necessary if you find corrosion. B.If you find corrosion, remove it with the specified material C.If corrosion is found, change the material to remove it.正确答案B
如果发现腐蚀,用指定的材料去除。
A.Removing it with special material is necessary if you find corrosion. B.If you find corrosion, remove it with the specified material C.If corrosion is found, change the material to remove it.正确答案B