您要查找的是不是：
- open collector photocoupler 集电极开路光耦合器
- In TTL NAND circuit, a phase inverter with its output circuit changed to an open collector. 在ttl“与非”门电路中，输出级改用集电极开路的一种反相器。
- It can control the system without any controller due to the output of a 2-channel NPN open collector switch. 隔膜和压力有港口组成的一个机构，为防止泄漏。
- The new protocol used open collector signalling to allow multiple cards on the same bus but this actually causes problems at higher clock rate. 新协议可支持多种卡在同一总线上工作,但这也引起了一些问题。
- l Multiple output mode ( NO &NC 和 NPN &PNP open collector). 多状态控制输出方式(NO&NC和NPN&PNP集极开路电路输出).
- Pea pods burst open when overripe. 豌豆过熟就会爆裂。
- Open tender for purchasing power transformer. 公开招标购买电力运输设备。
- We bivouacked on the open plain. 我们在开阔的原野上露营。
- Thank you. How long will this offer be open? 谢谢。这个报价的有效期多长？
- Open the shutter and see what the weather is like. 打开百叶窗，看看外面的天气如何。
- The fresh air blew in from the open window. 新鲜空气从开着的窗户吹进来。
- The shop is open from this day onwards. 该店从今天起开始营业。
- Please open a window to allow the air to circulate. 打开窗子让空气流通。
- This drawer is too tight for me to open it. 这抽屉太紧了，我打不开。
- You may open a current account at a bank. 你可以在银行开立一个活期帐户。
- I asked the man opposite if he would open the door. 我问对面的人他愿意不愿意开门。
- She contributed to the fund with an open heart. 她向基金会捐款，慷慨解囊。
- I'd like to open a current account with you. 我想在你们这儿开一个活期存款帐户。
- He will throw open his door to any of your friends. 凡是你的朋友他无不竭诚欢迎。
- David gave the door a kick and it flew open. 大卫一脚向门踹去，那门猛地开了。
