Tests of welded vessels
[化] 焊接容器试验
🧩 词语组成解析
n. 测验（test的复数）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
v. 焊接；使结合（weld的过去分词）
n. 容器；船舶；血管（vessel的复数）
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
From which station does the train leave?
这列火车从哪个站开出呢？
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。