外部 がいぶ文書 ぶんしょクラスで
gaibubunshokurasude

Noun
Da Copula

て-form: Used to connect clauses, make requests, or chain actions of 外部文書クラス

1. External document class.; Connecting clauses with "and".; Requesting something regarding an external document class.; Chaining actions related to an external document class.

Te-Form
Computing