1.
Connect vacuum line to EGR valve.
将真空管路连接到EGR阀。
2.
Loose install EGR tube and EGR valve to intake manifol
将EGR管和EGR阀装入进气歧管，并保持松动。
3.
A testing system of engine EGR valve design and implementation
发动机EGR阀测试系统设计与实现
4.
Check for signs of leakage or cracked surfaces at both ends of tube, exhaust manifold and EGR valve.
检查两个管的末端，排气歧管和EGR阀是否有泄露或表面有裂痕。
5.
above throttle valve EGR system
节气门前EGR系统
6.
below throttle valve EGR system
节气门后EGR 系统
7.
Effects of EGR and Cooled EGR on Combustion and Emission of a Diesel Engine
EGR和冷EGR对柴油机燃烧和排放的影响
8.
load proportional EGR system
负荷比例式egr系统
9.
electronic controlled EGR system
电子控制式EGR系统
10.
sonic controlled EGR system
声速控制式EGR系统
11.
exhaust pressure controlled EGR system
排气压力控制式EGR系统
12.
venturi vacuum controlled EGR system
喉管真空控制式EGR系统
13.
ported vacuum controlled EGR system
孔口真空控制式EGR 系统
14.
discharging valve
排出阀排气阀排水阀
15.
Egr-1 siRNA Inhibits Egr-1 Gene Expression and Apoptosis in PC12 Cells after Morphine Withdrawal;
Egr-1 siRNA抑制吗啡戒断后PC12细胞Egr-1基因表达及细胞凋亡
16.
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。
17.
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）。
18.
a safety, exhaust valve
安全阀、 排气阀.