Effective height of exhaust stacks and installation of cowls;
排气筒的有效高度与风帽的设置
quadruped-frame supported vent stack
四腿钢架支承的排气筒
tripod-frame supported vent stack
三腿钢架支承的排气筒
Analysis on Emission of Waste Gas and Height of Exhaust Funnel of Coating Line for Auto Bumper
汽车保险杠喷涂线废气排放量及排气筒高度计算分析
Code for design of exhaust barrel and flare stack for petrochemical enterprises
石油化工企业排气筒和火炬塔架设计规范
Code for design of sampling port of exhaust stack in petrochemical industry
石油化工企业排气筒(管)采样口设计规范
combined down cast up-take ventilator
给气、排气两用通风筒
downcast and uptake ventilator
下向和上向通风筒吸排气两用通风机
a wooden plug forming a flue pipe (as the mouthpiece of a recorder).
一个用来做排气管的木塞子（如录音机的话筒）。
Structure Optimization and Experiment on Air-suction Cylinder Precision Seeder;
气吸滚筒式精密排种器的结构优化及试验研究
Suction drum-type seed metering device with auto-cleaning block of transplanter for tray grown rice seedling
水稻机摆钵育苗气吸滚筒式自动清堵排种器
An overview of liquid loading diagnosis and removal methods for condensate gas reservoirs
凝析气藏井筒积液的诊断及排除方法综述
Experimental investigation of the gas flow field on top of the discharged tube of cylindrical three-phase cyclone with a vaned inlet and a direct-current outlet
直筒型导叶直流式三相旋流器排气管上部内流场的实验研究
hopper ring gear
种子筒齿圈，种子筒排种齿轮环
colour rotation
色顺（滚筒印花时雕刻花筒的排列顺序）
air brake reservoir pressrue indicator
气制动贮气筒压力表
Control Study of Central Distance among Head Tubes for Tube-in-tube Multi-flue Chimney
套筒式多管烟囱筒首排烟内筒中心距的控制探讨
gas cartridge operated fire extinguisher
贮气瓶式灭火器筒体内
liquid selaed drum gas flowmeter
液封转筒式气体流量计