烟管

fire tube

烟管

fire resisting material耐火材料 | fire tube烟管 | fire tube boiler烟管锅炉

fire tube

烟管(火管)

锅炉管束 boiler convection tube bank | 烟管(火管) fire tube | 螺纹烟管 spirally corrugated tube

fire tube boiler

烟管锅炉

fire tube烟管 | fire tube boiler烟管锅炉 | fire warning system火警信号系统

smoke pipe fire detector

烟管式火警探测设备烟管式火灾报警装置

smoke pipe fire detecting system 烟管火警探测系统 | smoke pipe fire detector 烟管式火警探测设备烟管式火灾报警装置 | smoke pipe line fire detector 烟管式火灾报警装置

smoke pipe fire alarm system

烟管式火警信号系统

smoke periscope 目视验烟器 | smoke pipe fire alarm system 烟管式火警信号系统 | smoke pipe fire alarm system 烟管式火灾报警系统

smoke pipe line fire detector

烟管式火灾报警装置

smoke pipe fire detector 烟管式火警探测设备烟管式火灾报警装置 | smoke pipe line fire detector 烟管式火灾报警装置 | smoke pipe 烟管

spirally corrugated tube

螺纹烟管

烟管(火管) fire tube | 螺纹烟管 spirally corrugated tube | 内螺纹管 ribbed tube

Superfamily Clausilioidea

烟管蜗牛超科

罂粟蜗牛科Family Carychiidae | 烟管蜗牛超科Superfamily Clausilioidea | 烟管蜗牛科Family Clausiliidae

Buxbaumia

烟管藓属(苔)

"黄杨科","Buxaceae; boxwood family" | "烟管藓属(苔)","Buxbaumia" | "烟管藓","Buxbaumia aphylla L."

Buxbaumia aphylla L

烟管藓

"烟管藓属(苔)","Buxbaumia" | "烟管藓","Buxbaumia aphylla L." | "烟管藓科(苔)","Buxbaumiaceae"

Greco-Latin square：希腊拉丁方格

Granduation of curve 曲线递合 | Greco-Latin square 希腊拉丁方格 | Grand lot 大批

cunningham：帆前角下拉索

斜拉器:kicking strap | 帆前角下拉索:cunningham | 调整索:outhaul