等效百万吨当量

děng xiào bǎi wàn dūn dāng liàng

equivalent megatonnage (EMT)

等

děng

to wait for; to await

效

xiào

effect

百

bǎi

hundred

万

wàn

ten thousand

吨

dūn

ton (loanword)

当

dāng

to be

量

liàng

capacity