The keel arranged on the board is in a radiation shape from the tubehead to the outside;
设置在上述板面上的龙骨呈从管头向外边的放射状。
2
The basic thought, the action principle and hydraulic system on half - automatic machine design for flaring and necking tubehead are introduced briefly.
对管端扩、缩径半自动专机的设计基本思路、动作原理、液压系统进行了简要介绍。
3
Function characteristics: This equipments appropriation combines to beat gum juniors a line to dry already set at the economy energy light tube and tubehead.