1.
valuable centrally located urban land; strategically placed artillery; a house set on a hilltop; nicely situated on a quiet riverbank.
位于市中心的昂贵地段；战略固定式火炮；位于山顶的房子；很好的坐落在宁静的河堤上。
2.
fixed fire alarm system
固定式失火报警系统
3.
fixed dry chemical system
固定式干粉灭火系统
4.
It was the fault of the gun captain, who had failed to fasten the mooring chain properly and block the four wheels of the gun carriage
这是火炮长的过失。他没有按要求把炮位的铁链固定好，并把炮座的四个轮子塞紧。
5.
artillerymen established their guns on the base
炮兵将大炮固定在炮座上。
6.
fixed extinguishing system
固定式灭火系统固定安装的灭火剂供应源
7.
airborne infrared gunfire locator
机载红外炮火定位器
8.
The Mark 4 gun is stronger than the old Mark 3.
四型炮比旧式三型炮火力更猛。
9.
gimbaled rocket engine
万向架固定式定向火箭发动机
10.
Determination of Muzzle Velocity Loss by Law of Bore Wear
由炮膛磨损规律确定火炮初速减退量
11.
They are mortars, howitzers, cannons, long-range artillery, rocket guns and self-propelled guns.
是迫击炮、弹炮、浓炮、程火炮、箭炮、行火炮。
12.
Fundamental terminology of fixed extinguishing systems
GB/T16283-1996固定式灭火系统基本术语
13.
built in carbon dioxide system
固定式二氧化碳灭火系统
14.
sheet-annealing base
薄钢板退火用固定式炉底
15.
Modeling and Simulation of Interior Ballistics of Rarefaction Wave Gun with Two-door Breechblock
双门式炮闩膨胀波火炮内弹道建模与仿真
16.
Heavy guns have to be bedded in before they will fire accurately.
大炮必须事先固定炮位，方能准确轰击目标。
17.
A Method for Determining the Decrement of Muzzle Velocity of Gun Base on the Law of Bore Wearing
由炮膛磨损规律确定火炮初速减退量的方法
18.
Investigation into Fixed High Pressure Single-Phase Water Mist Fire Suppression System;
固定式高压单相流细水雾灭火系统研究