wick hole

balance wheel oil cover screw

平衡轮注油孔盖螺丝

Perforations for Steam Flood Injecion-production Thick Oil Wells in Liaohe Oilfield

辽河油田稠油蒸汽驱注采井射孔方式

Research on Atomization Patterns for Cracks Hole Style Fuel Injection Nozzles

缝隙孔式喷油嘴偶件燃油喷注雾化形态的研究

Research on Effect of Silica on Porosity and Permeability During Steam Injection;

注蒸汽油藏SiO_2影响地层孔隙度和渗透率的研究

When finally she opened her eyes and looked him in the face, anger had roused again.

末了，她睁开眼睛，注视着他的面孔，怒气又油然而生。

Application of Punched Rock-socketed Piles in First Stage of Yangshan Oil Storage and Transportation Project

冲孔灌注嵌岩桩在洋山石油储运一期工程中的应用

Plug the fixed containers around air vent of F.O. tanks.

收紧油舱透气孔处油池放油孔的塞子。

pore volume injected

注入的孔隙体积倍数

injection forming machine of micro-foam type

注射微孔发泡成型机

Fill the pump reservoir with flui

向泵贮油槽中加注油。

To begin with, you fill the tank with oil.

首先，你往油箱里注满油。

The safety technologies of the hole of manually dig cast-in-place pile

浅谈人工挖孔灌注桩成孔的安全技术

Research on Quality of Drilled Holes for Cast-in-Place Piles in Shanghai District;

上海地区钻孔灌注桩成孔质量的研究

THE RESEARCH ABOUT MECHANISM ON UNLOADING TIME EFFECT CAST-IN-PLACE BORED PILES

钻孔灌注桩成孔卸荷时效性理论研究

Hole Clearing by air-lift reverse circulation method in bored piles

冲(钻)孔灌注桩气举反循环清孔工艺

retrievable through-tubing perforator

可收回过油管射孔器

expendable through-tubing perforator

消毁式过油管射孔器

hoel of piston crown

(制动主缸内) 活塞出油孔