1.
The valve shown has a pilot and a bleed orifice.
该阀具有控制孔和流出孔。
2.
Study of Fabricating Metal Material with Contact-Porous by Technique of Wiping off Salt from Sintered Product of Metal and Salt by Melting or Solution;
熔、溶脱盐造孔法制备金属通孔多孔材料研究
3.
Sound absorption of periodic porous aluminium with controlled pore structures
孔结构周期调制通孔多孔铝合金及其吸声性能
4.
Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole
嵌岩桩孔组合潜孔锤取心钻具的研制
5.
Research on Preparation of Macro-Pore Porous Glass Beads Used as Carrier;
宏孔性多孔玻璃载体颗粒的制备研究
6.
Preparation of Microporous and Mesoporous Carbon from Wood Sawdust by Chemical Agent Activation
化学活化锯屑制备微孔及中孔活性炭
7.
Fabrication of Porous Al2O3 Ceramic Using Different Pore-Making Agent
利用不同造孔剂制备Al_2O_3多孔陶瓷
8.
Effect of Additives on Properties of SiC Preforms
造孔剂对SiC多孔预制块性能的影响
9.
fully automatic reperforator switching
全自动复凿孔机交换制
10.
portless brake master cylinder
无补偿孔式制动主缸
11.
compensating brake master cylinder
有补偿孔式制动主缸
12.
hoel of piston crown
(制动主缸内) 活塞出油孔
13.
butterfly angles pass
轧制角钢用蝶式孔型
14.
card puch reproduce check unit
卡片穿孔复制校对机
15.
punched card controlled computer
穿孔卡片控制计算机
16.
card-controlled tape punch
卡片控制纸带穿孔机
17.
untapped nut of iron or steel
未开孔螺帽,铁或钢制
18.
rted vacuum controlled EGR system diaphragm
孔口真空控制式ＥＧＲ系统