Ballast(float) valve tray
[化] 重盤式浮閥塔板
?? 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;
tray
[tre]
n. 盤子;托盤;淺盤;滿盤;
??? 情景例句
He speaks French and English with equal ease.
他說法語和英語都一樣自如。
If anyone here does one of these things, let me know.
這兒如果有人也喜歡打羽毛球或讀書，請告訴我。
He's younger and stronger than you are.
他比你年輕，比你強壯。