文中对松尾环的理论分析到实际电路制作给予了较详细的论述。
In the paper loose tail loop was described in detail from theoretical analysis to practical circuit making.
如果阀门用在高速流体(湍流)或热循环应用环境中，则螺纹阀座环应该锁焊到阀体上，避免松落。请在订购时加以指定说明。
Threaded seat rings for valves in services with high velocity turbulent flow or thermal cycling should be lock welded to the body to avoid loosening. Please specify.
一种活塞环及其表面松孔镀铬工艺。
The invention relates to a piston ring and a surface spongy chromium plating technique thereof.
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