好莱坞现行的商业模式是面向商家的：它把电影出租给电影院线，把影碟销售权卖给大型零销商和出租公司。
At the moment Hollywood is a business-to-business industry: it rents films to cinema chains and ships discs to big-box retailers and rental firms.
由于惯性筒上的曲折槽与销间的为线接触甚至点接触，因此针对此处较为特殊的摩擦系数进行研究。
Because of the line contact or even point contact between zigzag slot and pin, its friction is different and needs to be studied.
线夹本体和压板为可锻铸铁件，闭口销为不锈钢制件，其余为钢制件、可锻铸铁件和钢制件热镀锌。
The clamp body and keepers are malleable iron, cotter-pins are stainless steel, the other parts are steel . All ferrous parts are hot-dip galvanized.
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