选配件 meaning in Chinese

optional components

Many of these options are field assembly only
许多这类选配件都仅限于现场安装。
Many of these options are field assembly only
这些选配件中的许多种都只能在现场装配的。
Blower and heating fixtures can accomplish complex products
可选配件：
Accessories for option : incandescent light
选配件：光源照明
3 , 000 - sheet stacker and 500 - sheet top tray optional on b n dn dt
3000页堆叠器和500页上接收盘b n dn dt型号为选配件

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