穿孔板

perforated acoustic board

穿孔吸声板

perforate 穿孔 | perforated acoustic board 穿孔吸声板 | perforated cathode 有孔阴极

electronic calculating punch

电子计算穿孔,电子计算穿孔机

electronic bulletin board 电子通报,电子通报板 | electronic calculating punch 电子计算穿孔,电子计算穿孔机 | electronic calculator 电子计算机,电子计算器

punch pad

凸模压板

punch off 穿孔结束,不穿孔 | punch pad 凸模压板 | punch pin 冲头,尖冲头

perforated plate

凿孔板

perforated ceiling board 穿孔天花板 | perforated plate 凿孔板 | perforated wall 穿孔墙

perforated tray

多孔板

perforated plate column 多孔板塔 | perforated tray 多孔板 | perforation 穿孔

scalariform pitting

梯纹加厚,梯状纹孔式

scalariform perforation plate 梯状穿孔板 | scalariform pitting 梯纹加厚,梯状纹孔式 | scalariform vessel 梯纹导管,梯状穿孔导管

perforated ceiling board

穿孔天花板

perforated casing well 滤管井 | perforated ceiling board 穿孔天花板 | perforated plate 凿孔板

tracheids

管胞

木质部的输导分子有导管(vessels)和管胞(tracheids),成熟的导管和管胞是死的细胞,细胞壁充满木质素. 导管形式是更为进化的,互相之间的连接是单穿孔或为梯状穿孔板,相邻导管侧壁之间有单纹孔联系;而管胞形式存在于裸子植物及蕨类植物,

perforated plate column

多孔层板塔;多孔层板柱

穿孔电极 perforated electrode | 多孔层板塔;多孔层板柱 perforated plate column | 穿孔带阅读机 perforated tape reader

perforated wing flap

穿孔襟翼

"perforated plate","多孔板" | "perforated wing flap","穿孔襟翼" | "performance","性能,绩效"

Fix, Unfix,Group,Ungroup：(固定, 不固定,成组, 不成组)

Align Components(元件对准) 79 | Fix, Unfix,Group,Ungroup(固定, 不固定,成组, 不成组) 80 | Select Net(选择线网) 80

glycol monoacetate：乙二醇一乙酸酯

glycol lubricant 乙二醇润滑剂 | glycol monoacetate 乙二醇一乙酸酯 | glycol monobenzyl ether 乙二醇一苄醚