perforation plate

常見例句

Vessel of Scalarform perforation plate in one end and simple perforation plate in the other end;
一端為梯狀穿孔板，另一端為單穿孔板的導(dǎo)管分子；
Results show that the acoustic system of micro perforation plate can effectively reduce discharge noise.
試驗(yàn)表明，微穿孔板吸聲結(jié)構(gòu)可有效地降低排氣噪聲。
The study of the stem's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate.
對(duì)鹽膚木莖進(jìn)行木材解剖學(xué)研究，發(fā)現(xiàn)其導(dǎo)管分子穿孔板為單穿孔板。