hand lay up method手积法;手工积层法
hand be up举手
hand lay up手工铺叠;手糊成型
The Hand Stayed Up那只手放下
hand lay up moulding手糊成型
hand-up搓面团机;面团搓圆机
Hand tied up手被绑着
down hand throttle up小;小手油门大
One Hand Shot Up一个举手提问