roll coolant 中文意思是什麼
roll coolant
解釋
軋輥冷卻乳液-
Water is also used as a coolant for rolling - mill roll to maintain their contour and lengthen their service life
熱軋機的軋輥也需用冷卻水來保持軋輥的外形和延長它的使用壽命。
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