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- Open TC#3, needle valve "B ", and vent needle valve. 开启测试旋塞3号,针形阀“B”,和排气针形阀。
- Loosen hose at VB, open TC #1 and bleed, retighten hose connection. 松开阀门B上的软管,开启测试旋塞1号并且排气,重新紧固软管连接。
- Open TC#2 and needle valve "A", close needle valve "A" and TC #4. 开启测试旋塞2号和针形阀“A”,关闭针形阀“A”和测试旋塞4号。
- Open TC #4 and flush test cocks Nos. 1, 2, and 3 on BF assembly, then close TC #4. 开启测试旋塞4号并冲刷BF总成上的测试旋塞1,2和3号,然后关闭测试旋塞4号。
- Open TC #4, then open VA. If relief valve does not drip, record second check valve as "close tight". 开启测试旋塞4号,然后开启VA。如果安全阀没有滴漏,则记录第二止回阀为“密封紧密”。
- Open TC #4 and loosen hose at vent needle valve connection bleeding air from test kit. 开启测试旋塞4号,松开排气针形阀上的软管,从检测组件上排放空气。
- Open TC #4 and flush test cocks Nos. 1, 2 and 3 on BF assembly, then close TC #4. 开启测试旋塞4号,并且冲洗防回流阀总成上的测试旋塞1号,2号和3号,然后关闭测试旋塞4号。
- Open TC #2. When flow of water out of TC #2 stops, the differential reading is the pressure drop. Record (must be 1 PSID or more). 开启测试旋塞2号。当测试旋塞2号流出的水停止时,则压差读数就是压降。记录(必须是1PSID或以上)。
- Bleed air from kit by opening TC #4 to establish flow through the backflow preventer and prevent premature opening of the relief valve. 通过开启测试旋塞4号从组件上排放空气,引导通过防回流阀的流体,防止安全阀过早开启。
- 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。