演奏皮 步骤１、把底鼓腔的敲击面朝上放好。最好把鼓腔放在铺了地毯的地板上以避免划伤鼓腔。 步骤２、把演奏皮放在鼓腔上。如果你用的是一张新皮，就要注意商标的位置，在把鼓立起来以后，商标要在鼓皮的上端。 步骤３、把底鼓圈放在鼓腔上。有的底鼓圈上有一个橡胶垫，是用 Play the skin Step 1, the bottom drum cavity percussion face up. It is best to place the drum cavity on a carpeted floor to avoid scratching the drum cavity. Step 2, put the playing skin on the drum cavity. If you are using a new skin, we must pay attention to the location of the trademark, after the drum up, the trademark at the top of the drum skin. Step 3, the drum ring on the drum cavity. Some bottom drum ring has a rubber pad, is used