Lock(ing) valve
[化] 鎖緊閥; 保險閥
?? 詞語組成解析
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調節;
??? 情景例句
and be able to put more money down.
也就可以增加自備款的額度。
Hardships never come alone.
禍不單行。
I want to see the film again.
我真想再看一遍。