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- Consider a floor tom mounted in a standard vertical orientation: With a hardwood floor, when the player hits the drum the bottom head vibrates sympathetically. 考虑到落地桶鼓是在标准垂直方向上:如用木地板,当鼓手击鼓,下面的鼓皮也要跟随着震动。
- Results The results showed that higher stress and higher temperature grads are located in the regions of nozzle and skirt linking with bottom head. 结果在反应器接管区和裙座连接区出现高应力和大的温度梯度。
- This directs a waveform toward the floor, which bounces back up and interacts with the vibrating bottom head to cancel or emphasize certain frequencies. 这个直接向着地板去的声波将被反弹上来并且会对底面鼓皮的震动造成相消或加重某些频率的影响。
- black mild steel flat head rivet 黑铁扁头铆钉
- conical head rivet; round head rivet 圆头铆钉
- pan head rivet with tapered neck 半埋头铆钉
- non-ferrous metal semi-round head rivet 半圆头有色金属铆钉
- black mild steel round head rivet 黑铁圆头铆钉
- With complete funtions the machine can rotary and rivet countersunk head ,raised round head,cheese head and raised cheese head rivets as well as tubular rivets. 旋铆机广泛适用于电子电器,仪器仪表,钟表元件,温控器/继电器,汽摩配件,微电机装配,五金等行业生产与装配。
- She nestled her head on his shoulder. 她将头依偎在他的肩上。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
- I fell right to the bottom of the stairs. 我从楼梯上一直摔到楼梯下面。
- The deer lowered its head to drink from the pond. 鹿低下头去喝池塘里的水。
- The police found a body at the bottom of the lake. 警方在湖底发现了一具尸体。
- He gave the little boy a clout on the head. 他在那小男孩的头部打了一下。
- His bottom waggle in a funny way when he walk. 他走路时臀部扭来扭去,很可笑。