因此，设置连通孔的差动式调压室是合理可行的。
Therefore, the differential surge tank with interconnecting holes arranged is rational and feasible.
本研究重点研究了MCM—C基板的可靠性，包括厚膜电阻，基板布线以及互连通孔。
This paper mainly studies the reliability of substrates of MCM-C including thick-film resistors, metal lines and vias for interconnection.
在正常抽油时，由于连通孔始终连通着油管和油套环空，因而可随时对动液面进行测试。
During the normal oil extraction process, a working fluid level is tested anytime, since the communicating hole always communicate the tuning and an annular.
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