last second dropとは 意味・読み方・使い方

The beginning thread end 3a and the ending thread end 3b of sewing are turned around the side surfaces of the calendar and the knotted points qa of second sewing seams, which are formed on the rear surfaces of the first needle drop and the last needle drop on the calendar paper bundle, are slipped inbetween a plurality of calendar paper sheets.例文帳に追加

縫い始めの糸端３ａと縫い終わりの糸端３ｂは、カレンダーの側面を回り込んで、カレンダー紙葉束上の最初の針落ちと最後の針落ちの裏面に形成され、第２針目の縫い目の結節点ｑａを複数枚のカレンダー紙葉の間にもぐり込ませる。 - 特許庁