Collimator tube
[建] 准直管, 平行光管
🧩 词语组成解析
n. 准直仪\\n[化] 准直管; 平行光管
🗣️ 情景例句
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
If you do have the sincerity to do business with us, please show me your cards and put them on the table.
如果您确有诚意与我们做生意，请摊牌吧。
What beautiful flowers! Oh, a diary,too.Thank you.
多美的花啊！还有一本日记。谢谢你们！