But is the ladder rising and the man climbing-or is it horizontal and the man walking across it, hovering, like a giant spider, directly above the viewer's face?
The in-version result can reflect the transverse variation of the main layer of PI2, PI3, it provides the technique guarantee for drilling the first ladderhorizontal well successfully.
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.