1.
Study on performance of crack-resistant ventilation pipe in driving places
矿用耐崩风筒在掘进迎头的性能研究
2.
grind a coffee-mill, barrel-organ
摇咖啡磨、 筒风琴.
3.
drum-type swath aerator
滚筒式条铺摊晒通风机
4.
combined down cast up-take ventilator
给气、排气两用通风筒
5.
Act as a megaphone for the unhealthy tendency
充分不正之风的传声筒
6.
grind out music from a barrel-organ
摇动筒风琴奏出音乐.
7.
cowl head ventilator
喇叭式风斗僧帽式通风筒通风帽
8.
Test method for abrasion resistance of pipeline coatings
管道防腐层耐腐性试验方法（滚筒法）
9.
But let storm and avalanche do their worst,
可是，尽管风暴和雪崩肆意摧残，
10.
Weathering applies to crumbling and breaking down of rock into smaller pieces.
风化指的是岩石破碎或崩裂成小块。
11.
Risk assessment method for single rockfall geo-disaster:a case study on the rockfall in Danba County,Sichuan,China
单体危岩崩塌灾害风险评价方法——以四川省丹巴县危岩崩塌体为例
12.
Screw bat of feed hopper abopted with alloysteel,special handing on surface, durabie in heat,wear and corrosion.
螺杆料筒采用优质合金钢，表面氮化处理，耐热、耐磨、耐腐蚀。
13.
The chains are pressure lubricated.
滚筒开槽。滚筒的高、速端带有通风式气胎离合器。
14.
downcast and uptake ventilator
下向和上向通风筒吸排气两用通风机
15.
Determination of leakage rate and specific resistance for mine air duct
GB/T15335-1994矿用风筒漏风率和风阻的测定方法
16.
hardy deciduous vine having large leaves and flowers with the calyx tube curved like the bowl of a pipe.
耐寒的落叶藤蔓植物，有大叶子，有弯曲的萼筒。
17.
Optimum Design and Structure Analysis for Cylindrical Pressure-resisting Hull of Submersible Vessel
潜艇圆筒形耐压壳体结构的分析与优化
18.
The Assess on Safety Life、Durability and Damage Tolerance of Main Gear Strut Cylinder;
主起支柱外筒疲劳耐久性及损伤容限评估