penning

名词石块铺砌，护坡

1. 潘宁：电镜常用二个真空规:一个是用于测量真空度在10 − 1Pa以下的低真空规,与机械泵相对应,常用的有热传导式的皮拉尼(Pirani)真空规. 另一个是用于测量真空度在10 − 1~10 − 5Pa的高真空规,常用的是冷电离型的潘宁(Penning)规.

2. 用锤尖锤击：PennineRange彭奈恩山脉 | penning用锤尖锤击 | Penninggauge彭宁冷阴极电离真空计

1. penning的意思

1. As dark clouds of gloom hang over jobs and career paths, a Chinese author penning stories about conflict is laughing all the way to the bank.

2. Yet the sceptics who discounted Arsenal from the championship race will not be penning their apology letters just yet.

3. On Friday evening, the victim and three other students climbed over the fence penning the crocodiles.

4. penning的近义词

4. They developed a serious relationship penning the letters as their troops were placed miles apart.

5. penning

5. Assange said he's being forced into penning an autobiography to keep his organization from going under.

6. Despite her desire to have another baby with the former Bush rocker, the blonde beauty has reportedly infuriated her spouse by penning several critical songs about him.

noun