According to the drillpipe structural characteristics, a dolly appropriate for drillpipe and Kelly detection is designed, of which its probe is adjustable.
根据钻杆的结构特点，设计了探头距离可调的适用于圆钻杆和方钻杆的探测小车。
In order to probe into the excitation mechanism of thermoacoustic instability in swirl combustors, an experimental setup has been built including an adjustable swirl combustor.
为探索旋流燃烧器内热声不稳定的产生机理，搭建了可调型旋流燃烧器热声不稳定试验台架。
In order to probe into the excitation mechanism of thermoacoustic instability in swirl combustors, an experimental setup has been built including an adjustable swirl combustor.
为探索旋流燃烧器内热声不稳定的产生机理，搭建了可调型旋流燃烧器热声不稳定试验台架。
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