直笛

Model AT-01 Alto Flute silver plated, with bend and straight headjoints, French style key.

AT - 01型中音长笛全镀银管体，弯、直双笛头，法式键。

Wind and sea may displace the ship's center of gravity along three orthogonal axes; a rectangular Cartesian coordinate system .

风和大浪可能会将轮船的重心移至三者直交的轴线；笛卡尔直角坐标系。

Main produces:1,Piping producing equipments: 3D Digital Control Bender, Coil Straightening Guillotine, Pipe terminal Molding, Digital Control Flute Shape Pipe Machine, Digital Control Distributor Drill, Automatic Grid loading and Groove rolling Equipment, Automatic 2-end Digital Control Chamfer Equipment, Tee Flaring / Flating Equipment2,Heat Exchanger Producing Equipment: Long-U Shape Benders, Short-U Shape Benders, Horizontal Expanders3,Others: Hydraulic Pressure Single Benders, Pipe Pressing Machine, Digital Control Double-head Chamfer Machine, S-shape Feeding and Shaping Machine, Welding Machine, Hydraulic Sawing MachineWe are stick to the spirit of strict quality management, sustaining technology progress and perfect after service, service for our customers.

主要产品：1、配管加工设备：三维数控弯管机、盘管校直切断机、管端成型、数控笛形管机、数控分配器钻孔机、自动装网滚槽机、全自动双端数控倒角机、三通扩口机。2、空调换热器生产设备：长U弯管机、小U弯管机、卧式涨管机。3、其它加工设备：液压单弯机、压管机、数控双头倒角机、S形送料整形机、展架焊接机、液压锯床。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。