查询词典 ballast

The vibration response of the viaduct structure by steel spring bearing, the viaduct structure by laminated rubber bearing, the track structure by Colon egg vibration damper, the track structure by steel spring damper and the ballast bed track structure are simulated through vehicle passed. The vibration parameter of the viaduct is optimized and the vibration transfer function characteristic of the ballast bed track structure and the track structure by steel spring damper are compared.

对钢弹簧支座高架桥结构、普通板式橡胶支座高架桥结构、克隆蛋减振器式轨道结构、钢弹簧浮置板减振器式轨道结构和普通碎石道床轨道结构在列车运行作用下的振动响应进行了仿真研究分析，对高架桥结构隔振参数进行了优化，比较了浮置板式和普通碎石道床轨道结构的振动传递特性。

Aquarist's preferences often dictate what ballast will be used with what bulb, but the listed ANSI codes provide a valuable starting point. These lamps will be driven either by a standard M80 or a newer electronic ballast that can replicate the recommended conditions.

鱼友们很喜欢用不同的胆配不同的振流器，实际上，一个ANSI代码是非常有价值的信息，这些灯胆一般由M80振流器或更新的振流器，或相拟的振流器

To test ballast tanks emptying with ballast ejectors and measure the depth of remained water when emptying.

任选一压载舱作注满和排空试验，记录所须时间。

Include the following types:(1) check value car, for the railway Vehicles weighing, the actual track is a kind of moving in large weights;(2) Power generation car, the car has a small power station, they can always call on the railway line on the power supply;(3) gauge inspection vehicles, for inspection and verification of railway bridges, tunnels and other large buildings close to the limits in order to determine the safety of vehicles;(4) test cars were equipped with test equipment, used to measure and record rolling stock and railway line performance parameters;( 5) The rescue vehicles, for the train accident occurs, clear the line obstructions and incidents from re-rolling stock;(6) LTL office vehicles for the LTL freight train crew members, escort personnel work and rest;(7) Ballast cars transport and shop for the construction of lines unloading ballast;(8) long rail vehicles for the transport of long rail or recycle that old rail;(9) snow vehicles, clear the rail line, the snow outside.

包括以下几种类型：（1）检衡车，供铁路车辆称重用，实际是一种可在轨道上移动的大砝码；（2）发电车，车内设有小型电站，可随时调用于铁路线路上供电；（3）限界检查车，用于检查和核对铁路桥梁、隧道等大型建筑物的接近限界，以确定车辆通过的安全性；（4）试验车，车上装有试验设备，用于测量和记录机车车辆和铁路线路的性能参数；（5）救援车，用于列车运行发生事故时，清除线路障碍物和起复事故机车车辆；（6）零担办公车，供零担货物列车乘务人员、押运人员工作和休息；（7）石碴车，用于修建线路运送和铺卸石碴；（8）长钢轨车，用于载运长钢轨或回收旧钢轨；（9）除雪车，清除线路钢轨内、外侧积雪。

Ballast Frequency: The frequency at which the ballast operates the lamp, measured in Hertz or kilohertz.

镇流器频率：镇流器驱动灯管的频率，以赫兹或千赫兹为单位。

If the ballast can operate lamps with multiple wattages (e.g., an 18W, 26W, or 32W lamp) then the ballast must be designed to accept lamps with ANSI Standardized lamp base configurations for all applicable wattages.

如果镇流器是能启动多种功率灯管(比如18W，26 W，32 W等)的那种类型，那么它应该被设计成能够适用符合ANSI标准基本配置的所有功率的灯管。

If the ballast can operate lamps with multiple wattages (e.g., an 18W, 26W, or 32W lamp) then the ballast must be designed to accept lamps with ANSI Standardized lamp base configurations for all applicable wattages.

如果同一镇流器能够启动多种功率的灯管(如 18W，26 W，32 W 等的灯管)，那么该镇流器就必须设计成适用於与 ANSI 标准灯座配套使用之全部适用功率之灯管。

Many seeds were actually stowaways in the ballast of ships, and grew wherever the ballast was unloaded.

事实上许多种子作为压舱物中的偷渡者，在压舱物卸下的地方开始生长。

Many seeds were actually stowaways in the ballast of ships, and grew wherever the ballast was unloaded.

很多种子实际上是作为压舱物偷渡进欧洲的，压舱物卸载在那里，它们就长在那里。

Many seeds were actually stowaways in the ballast of ships, and grew wherever the ballast was unloaded.

许多植物种子可真成为偷渡者，它们躲藏在船底装货物的下面。然后在船货物卸载的地方开始生长。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。