Active bump leveller technique is one of the vibration active control.
主动吸振技术是振动主动控制的主要内容之一。
Dye leveller and acid agent have a certain influence on the effect of colour change.
匀染剂、酸剂对变色效果有一定的影响。
Dye leveller and acid agent have a certain influence on the effect of colour change.
匀染剂、酸剂对变色效果有一定的影响。
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