Output factor of lead block fields was related to standard applicators size and lead block fields side;

铅挡野输出因子与标准限光筒和铅挡野大小有关；

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Output factor of lead block fields was related to standard applicators size and lead block fields side;

铅挡野输出因子与标准限光筒和铅挡野大小有关；

youdao