...板；拉深；起皱；破裂；管口 [gap=818]Key words: forming process; double plate; drawing; wrinkling; fracture; pipe orifice ...
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pipe orifice welding 环口焊接
coefficient of pipe-line orifice 管路的孔口系数
Orifice pipe 管形孔口 ; 孔板管
Orifice short pipe 短管孔口
casting orifice pipe 浇铸孔口管
boring hole orifice-pipe 孔口管施作
For measuring the pipe orifice, a computer vision method is used.
为了测量管口的尺寸，通常采用计算机视觉方法。
The transient flow through a pipe orifice starting from an initial steady flow has been studied via numerical analysis.
该文对初始稳定流开始的液流通过节流孔的过渡过程进行了数值解析计算。
Full set of pipe orifice, valves, flanges and counter flanges, fasteners and all other attachments, all water release valves, gas release valves and safety valves.
全套管道孔板、阀门、法兰及反法兰、紧固件及其它所有附件，所有放水、放气阀门及安全阀。
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