您要查找的是不是：
- Lead oxide in the glass envelope of Black Light Blue (BLB) lamps. 布莱克蓝灯(蓝黑灯管)
- A glass envelope is used to contain a gas at about 1/1000 atmospheric pressure. 玻璃外壳中的气体压强约为1/1000大气压。
- A glass envelope My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland. 译文：第二十二课玻璃信封我的女儿简从未想过会接到荷兰一位同龄姑娘的来信。
- Has developed into a professional production of various specifications aluminum enameled wire glass envelope and professional enterprises. 已发展成为一家专业生产各种规格铝漆包线和玻璃丝包线的专业企业。
- As previously stated, the sensing thermistor does not require calibration, and will last indefinitely (provided that the protecting glass envelope is not broken or chemically attacked). 象以前说的那样，热敏电阻无需校准，而且只要外面的保护玻璃罩没被打碎或者被化学腐蚀就能一直用下去。
- Quality control of color picture tubes may require the salvage and reuse of the glass envelopes. 彩色显像管的质量控制需要利用和回用玻璃泡废料。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- 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。
- 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。
- He looked through a pane of glass. 他从一块玻璃看过去。
- The car bumped and his forehead hit the glass. 汽车颠簸了一下，他的前额撞到了玻璃上。
- The milk slopped over the rim of the glass. 牛奶溢到玻璃杯外面来了。
- She opened the envelope with her fingertips. 她用指尖弄开了信封。
- This piece of glass seems to be part of a lamp. 这片玻璃似乎是一盏灯的一部分。
- The envelope's seal was torn open. 信封封缄被撕开了。
