we can analysis the spring force on the load plane by control volume.
the spring force F:
we can know that the spring force and the distence between nozzle and load
plane are independent
(3) the control volume ABCD in the pressure chamber, assuming the velocity
can be ignore.
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║彈╭╮╯。║珠╭╮║ ║ ║║║ ║汽 ║ ║水╭ ║ ║ ╰╮ ιπ
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