进行回头料加工一般情况下不进行抽真空，靠自然排气。
Generally speaking, the processing of recovery materials exhausts by nature methods but not vacuum.
这个富有创造力的天花板使用了一般用于通风管道标准的通风布料制造，通过这种织物就能直接为室内提供平滑的气流，而不需要借助其他排气孔。
The innovative ceiling is manufactured with standard ventilation cloth, normally used for ventilation ducts. This provides a smoother airflow directly through the fabric, without any vents.
铁酸盐不锈钢一般用于汽车装饰及排气系统、热水槽及建筑室内装饰。
Ferretic stainless steels are generally used in automotive trim and exhaust systems, hot water tanks, and interior architectural trim.
本文提出了底部排气弹减阻特性设计的一般原则与方法。
This paper presents the general principle and method of bleeding drag reduction characteristic design of base bleed projectile.
由于组合易伸展管子适应高温，一般用于采暖和通风设备上，如用于焊接气体的排气管上。
Suitable for the Heating and Ventilation Market and industrial purposes, such as for the exhaust of welding fumes.
在管道拖车上，所有阀门排气口一般都朝下。
Typically all valve outlets will be aimed downward on a tube trailer.
该阀一般安装在气缸与换向阀之间靠近气缸的管路上，使气缸的排气不经换向阀直接排出，达到气缸快速换向的目的。
General installed in the valve cylinder and the cylinder valve between the tube close to the road, so that the exhaust cylinder without a valve directly into to the cylinder for the purpose of rapid.
该阀一般安装在气缸与换向阀之间靠近气缸的管路上，使气缸的排气不经换向阀直接排出，达到气缸快速换向的目的。
General installed in the valve cylinder and the cylinder valve between the tube close to the road, so that the exhaust cylinder without a valve directly into to the cylinder for the purpose of rapid.
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