Then, use the aquarium silicone to seal under the flange around all 4 screw holes and around the pipe hole and screw it down with 4 short wood screws.
接着，用水族箱硅胶把法兰盘底、四个螺丝孔以及管孔周围全都涂抹上，然后钻入四枚木螺钉固定好。
2
In the beginning, the first attack subs consisted of a man hand-cranking away in a wood and leather suicide tube while attempting to attach explosives to a battleship using a wooden screw.
最初，第一艘攻击型潜艇上装载有一个木制手动升降柄和皮革爆炸管，爆炸管用来把炸药用木钉固定在舰船上。
3
Screw this piece of wood to the wall so that we can fit the curtain rail to it.