If air leaks between the face and the faceseal of the respirator reposition it and readjust the nose clip for a more secure seal.是什么意思_If air leaks between the face and the faceseal of the respirator reposition it and readjust the nose clip for a more secure seal.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句