To some extent, clearance between hull and propeller gives some effect on SBF as well.

螺旋桨与船体的间隙对固壁因子也产生一定的影响。

youdao

Middlesbrough's situation was more precarious and they produced plenty of early endeavour, which was rewarded with an early goal as Alves charged down an attempted clearance by Hull centre-back Kamil Zayatte and was then played through on goal by King.

BBC: Middlesbrough 3-1 Hull

Gary Cahill met a Mark Davies corner with a firm header and only a goal-line clearance from Fagan prevented Hull going further behind.

BBC: Bolton 1-1 Hull

Andy Dawson's free-kick and a Dean Marney shot added to the lead but Hull's Kamil Zayatte sliced a clearance into his own goal to give Everton hope.

BBC: Hull City 3-2 Everton