您要查找的是不是：
- Discussion on Black Spots Occurred in Vacuum Envelope during Metallization 陶瓷管壳金属化黑斑的成因探讨
- The Pollution on the Surface of Ceramics Vacuum Envelope when Mo Ions are Oxidized 钼离子的氧化对电真空陶瓷管壳的污染
- Have you stuck down the back of the envelope? 信封背面开口处贴牢了吗？
- He steamed the stamp off the envelope. 他用蒸汽把信封上的邮票揭下来。
- Keywords Ceramic vacuum envelope High temperature glaze Preproduction Alumina ceramics; 真空管壳;高温釉;试制;氧化铝瓷;
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- He glued a stamp onto the envelope. 他把邮票贴在信封上。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- Put a stamp on the envelope, will you? 在信封上贴张邮票，好吗？
- He stuck a stamp on the envelope. 他在信封上贴上邮票。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The envelope's seal was torn open. 信封封缄被撕开了。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
