Incomplete penetration
[化] 未焊透
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
Nice to meet you, Mr. Baker.
很高兴见到你， Baker先生。
I'd like to make an appointment with Mrs. Green.
我想约个时间见格林女士。
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。