p{roppant}-v{olumetric}-f{low}-r{ate} pcdc n{ode} bou{ndary} a{pply} hydra{ulic}-p{roppant}-b{oundary} p{roppant}-v{olumetric}-f{low}-r{ate} **描述:**支撑剂体积流量值 值: f(float,)