Casing back pressure valve plays a important role in well cementing operation as a casing accessories.

This means that on exhaust stroke, the engine has to push against a higher back-pressure.

这就使引擎在排气冲程时, 会遇到很高的负压(排气不畅).

Back-pressure protection is needed to prevent damage to the regulator.

需要回压保护,以防止损坏调整器.

Seating load and resultant tightness is dependent upon back pressure.

阀座密封负载和组合的紧密性是与返回压力密切相关.

Surface conductivity is usually independent of back pressure and screw speed.

表面导电性通常不受背压和螺杆转速影响.

This blocking may Shek back pressure to skyscrapers, high-aggressive as It'should collapse.

这堵石壁似摩天大厦仰面压来, 高得像就要坍塌下来咄咄逼人.

Seating load and tightness is dependent on back pressure.

阀座密封负载和紧密性与反压力相关.

Diplegs play an important role as pressure seals against the considerable back pressure generated.

料腿则起着对产生的相当大的背压加压密封作用.

Several different types of valves are in use. Some are back pressure valves.

有几种不同的阀在使用中, 有些是反向压力阀.

I feared back road, wind and advance further away from each other about.

我又怕返回路上逆风难行,又担心前进会离彼此更远.

Park on a back road along the highway side.

把车停在沿着告诉公路的一条偏僻的小路上.

Cohen didn'tmention that he had Ted Forstmann cooling his heels in a back room.

科恩没有提起自己让泰德·福斯特曼在后室里空等的事。

Then he took me into a back room, where the rejected suits were kept.

然后,他领我到后面的一个房间里去, 那里存放着顾客不要的衣服.

Miranda Nelson, a stylist, said she was in the back room when she heard the crash.

该店的发型师表示,听到撞击声时她正在后面的房间里.

I took a break in the back room.

在休息室歇息.

Nobody will see you in the back room anyway, and Melly won't be conspicuous.

谁也会瞧见,反正你是在后面屋里, 就连媚兰也用不着抛着露面嘛.

There are some teenagers in the back room necking.

后面屋里有几个少男少女正搂着脖子亲热呢.

Wasn't this the clock Grandfather bought and hung in the back room of the old house? "

这只钟不是爷爷买的,挂在老家后厅里的 么 ? ”

You'll have to thump on the door or he'll never hear you in the back room.

你是用力捶门,不然他在后面房间里怎么也听不见.

You think I was with a customer in the back room?

你以为我在里屋和一个顾客在一起?

In films, we always see the tarot seedy parlor or back room.

在电影里, 我们经常会看到这样的场景.