plug hole

同根派生

The water gurgled as it ran down the plug hole.
水汨汨地从塞孔中流下去。
Install a 14 mm (1/2 inch) (thread size) air hose adaptor in the spark plug hole.
在火星塞孔安装一个14公厘（1/2英寸）（螺纹尺寸）的空气软管适配器。
Oil filler plug: It is necessary to fill No.30 machine oil or No.20 gear oil before using aerator, until oil reaches oil plug hole on the side and overflows.
注油油塞：增氧机使用前，必须先注入30号机械油或20号齿轮油，注油量达到侧面油塞孔有油流出为止。
His strength in a crisis is an ace in the hole.
临危不惧是他的看家本领。
Time and time again, Dietrich tried to muster his panzer divisions for a corps-level counterattack, but he was constantly having to reorganize his forces to plug holes in the front.
迪特里希试图集合他的装甲师进行一次次地军级反击战，但是他频繁的重组部队来修补前线的缺口。