positive crankshaft vent

When you install a new PCV valve, inspect and clean the system thoroughly.

在安装新PCV阀时，应仔细地检查和清洗PCV系统。

Rough idle and frequent stalling could result from a plugged or stuck PCV valve or from a clogged PCV air filter.

怠速不稳和频繁熄火是由于PCV阀堵塞或者PCV滤清器堵塞而引起的。

The PCV valve sticks in the open, maximum-flow position.

把PCV阀固定在开启位置即最大流量位置。

Toyota recommends making a quick check of the PCV valve.

丰田汽车公司建议进行PCV阀的快速检查。

When the PCY valve sticks in the intermediate position, the engine idles rough and stalls frequently.

PCV阀在过渡状况被粘住时，发动机会出现怠速不稳和频繁息火的故障。

This maintenance is recommended, but is not required to maintain warranty on the PCV valve.

此项目乃是建议，但是不包含PCV对阀的保固范围。

Often, the PCV filter does not receive regular maintenance.

一般来说，PCV滤清器不需要定期维修。

PCV Valve Hose Connections—Engines—Typical

PCV气门软管连接—引擎—典型的

Development of a multiplex PCR/RT-PCR assay for detection of porcine reproductive and respiratory syndrome virus,porcine parvovirus,pseudorabies virus and porcine circovirus type 2

多重PCR/RT-PCR技术检测PRRSV、PPV、PRV和PCV-2

The most comment problem with the PCV system is sticking of the PCV value.

PCV系统最常见的故障取决于被粘住的情况。

Construction of 3 PCV-2 Subgroup 1A, 1B and 1C Infectious Clones

1A、1B和1C3种亚群PCV-2感染性克隆的构建

Report of breeding and commercial pig farm PCV-2 diagnosis and treatment

自繁自养猪场PCV-2暴发病例的诊治报告

Surveys of PCV-2 and CSFV Antibody Levels in Cross Area of Ji-Lu-Yu 3 Provinces

冀鲁豫交界地区PCV-2和CSFV血清抗体调查

Establishment and application of a multiplex PCR for Pseudorabies virus,porcine circovirusⅡand porcine parvoviruses

PRV、PCV-2、PPV多重PCR检测方法的建立及其应用

discharging valve

排出阀排气阀排水阀

Type of valve- gate, globe, check, etc.

阀门种类：闸阀，截止阀，止回阀，蝶阀，球阀，等等。

This is a gate valve (check valve, butterfly valve, cut-off valve, magnetic valve, remote valve, relief valve, throttle valve, cock).

这是一个闸阀（止回阀、蝶阀、切断阀、电磁阀、遥控阀、安全阀、节流阀、旋塞）。

a safety, exhaust valve

安全阀、 排气阀.