“connecting pin”可以造什么句，connecting pin造句

2、Apply grease to the engaging sections on the upper surfaces of the connecting sections of the lower structure with the crawler frames, and the connecting pin holes to prevent rust occurrence.

1、Nomenclature of the Data Imprinting Feature: display panel, month indication, imprint mark, mode button, select button, set button, locating pin (connecting pin), battery cover, battery cover retaining screws, data back contacts.