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Attach vent (yellow) hose to TC#4 and vent needle valve. 连接排气（黄）软管到测试旋塞4号和排气针形阀上。
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。
Open vent needle valve and bleed air from hose. Then close vent valve. 开启排气针形阀，并从软管排放空气。然后关闭排气阀。
Open vent needle valve fully until dripping from vent connection stops. 完全开启排气针形阀直到从排气连接处的滴漏停止为止。
Open needle valve" A" high side and vent needle valve to vent air from bypass hose. 开启针形阀“A”高端和排气针形阀，从旁路软管排放空气。
Close test cock No. 4. Disconnect bypass hose (yellow) at test cock No. 4. Close vent needle valve. 关闭测试旋塞4号。断开测试旋塞4号上的旁路软管（黄）。关闭排气针形阀。
Connect bypass hose between vent needle valve and loosely connect to test cock No. 1. 在排气针形阀上连接旁路软管，并将其松散连接到测试旋塞1号上。
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。
Slowly open vent needle valve just as air inlet opens. Record differential pressure. 当空气进口开启时,慢慢开启排气针形阀。记录压差。
Open test cock then open needle valve "A" and vent or bypass needle valve. Bleed air from hose then close vent needle valve. 开启测试旋塞，然后关闭针形阀“A”、排气口或旁路针型阀。从软管中排气，然后关闭排气针形阀。
Open vent needle valve and bleed air by opening needle valve "A". Close "A" then open needle valve "B" bleeding air and then closing "B". 开启排气针形阀并通过开启针形阀“A”排放空气。关闭“A”，然后开启针形阀“B”排放空气，然后关闭“B”。
Open vent needle valve and needle valve "A" to bleed air. Close needle valve "A". Open needle valve "B" to bleed air and then close "B" and vent needle valve. 开启排气针形阀和针形阀“A”，排放空气。关闭针形阀“A”。开启针形阀“B”排放空气，然后关闭“B”和排气针形阀。
Close vent needle valve. Open needle valve "A" high side, then open needle valve "B" low side + turn, loosen hose at test cock No. 4 to remove air. Retighten hose. 关闭排气针形阀。开启针形阀“A”高端，然后开启针形阀“B”低端，松开测试旋塞4号上的软管排放空气。重新紧固软管。
Close vent needle valve. 关闭排气针形阀。
She gave vent to her indignation in a fiery speech. 她在一篇激烈的演说中发泄怒气。
There is a side vent on her skirt. 她的裙子上有一个侧边的开衩。
She was given a needle for whooping cough. 她因患百日咳打了一针。
The speedometer needle touched100. 速度计的指针转到一百哩。
I have to vent my spleen on someone. 我非得找个人出出气。
He gave vent to his anger by kicking the chair. 他猛踢椅子，以此泄怒。