The two primary types of pressure plate assemblies are coil spring assembly and diaphragm spring .
有两个基本类型的压盘是螺旋弹簧组压盘和膜片弹簧压盘。
With flow through valve, primary check opens away from diaphragm seal.
当有流体通过阀门时，第一阀瓣开启从隔膜密封上离开。
With flow through valve, primary disc opens away from diaphragm seal.
当流体通过阀门时，第一阀瓣开启，从隔膜密封上离开。
Contraction of the diaphragm and the muscles Between the ribs draw air into the lungs through the trachea, which splits into two primary Bronchi, one per lung.
横膈膜以及肋骨间肌肉的收缩把空气通过气管吸入肺内，气管分成两根主支气管分别通向两侧的肺。
The primary of the analysis include the lateral force in the top deck of box girder and the lateral force of the diaphragm beam on the pier.
其分析主要包括：箱梁顶板的横向受力分析以及箱内横隔梁的横向受力分析。
The primary of the analysis include the lateral force in the top deck of box girder and the lateral force of the diaphragm beam on the pier.
其分析主要包括：箱梁顶板的横向受力分析以及箱内横隔梁的横向受力分析。
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