commutator，rectifier，current rectifier，selenium rectifier ；

[例句] 导线的两端联接到裂环整流器. The two ends of the wire are connected to a split - ring commutator.

[例句] 同步 低频 整流器与推挽整流器相似. The synchronized low - frequency rectifier is similar to a push - pull rectifier.

[计] prober，[化] detector，explorer，finder ；

[例句] 红外探测器有多种用途。 Infrared detectors have many uses.

[例句] 报告主张所有的建筑物都应安装烟火探测器. The report advocated that all buildings be fitted with smoke detectors.

aerobat，aircraft，aerostat，air craft ；

[例句] 她们所偷的传输器是给无人航空器的模型用的? The transmitter they stole was for a modern UAV?

[例句] 你们的无人航空器有可能遗失了 吗 ? Any chance of your modular UAVs is missing?

counter，calculating machine，calculator，computing counter ；

[例句] 他不明白为什么他的计算器上面的数字向右倾斜。 He wonders why the digits on his calculator slope to the right.

[例句] 袖珍计算器只能计算到小数点后8位数。 A pocket calculator only works to eight decimal places.

chopper，lopper ；

[例句] 提出一种新颖的双降压式交流斩波器. A novel bi - directional dual Buck AC chopper is presented in this paper.

[例句] 斩波器,将光依次切换到参比光路和样品光路, 四扇区设计可以提供样品测试和参比测试中分别测试暗电流, 增加准确性. Switches between sample and reference beam. Four - segment design provides for sample and reference, increasing measurement accuracy.

musical instrument，instrument，[美俚] axe ；

[例句] 许多别的乐器她也演奏得相当出色。 She was no mean performer on a variety of other instruments.

[例句] 他给他演示如何吹奏象牙吹口乐器。 He showed him how to blow into the ivory mouthpiece.

diffuser，barbator ；

[例句] 管道末端的格栅扩散器. 可指定扩散器属性. Grille diffuser on a duct end. Diffuser properties can be specified.

[例句] 集成的后部扩散器减少低阻力,提高燃油效率. An integrated lower rear diffuser reduces drag and improves fuel efficiency.

megaphone，loud-speaker，audio amplifier，aerophone，amplifier ；

[例句] “我们是警察，”直升机上传来扩音器中的声音。 "This is the police," came the amplified voice from the helicopter.

[例句] 我清楚地听到扩音器里在请都灵至阿姆斯特丹航班的旅客登机。 I distinctly heard the loudspeaker calling passengers for the Turin-Amsterdam flight.

distiller，limbeck，limbec，alembic，distillatory ；

[例句] 他在隐藏在他的地下室里的蒸馏器内生产自制的威士卡. He produces home ? made whisky in a still concealed in his basement.

[例句] 白酒蒸馏器是研究我国起源的重要实物证据之一. Liquor distil is one of the substantial evidences in origin investigation.

damper ；

[例句] 阻尼器位移按指数关系松弛. The dashpot displacement relaxes exponentially.

[例句] 各种空气动力装置以及无源阻尼器和伺服阻尼器是可用的. Various aerodynamic devices, as well as passive dampers and serve dampers, are available.

stone implement，artifact，stone vessel，stoneware ；

[例句] 欧洲石器时期最大的土木防御工事位于威尔特郡的西尔布利山。 Europe's biggest Stone Age earthworks are at Silbury Hill in Wiltshire.

[例句] 石器时代的移居者用羊的牙做成项链。 Stone Age settlers fashioned necklaces from sheep'steeth.

pilot，life guard，rail guard，stone sweeper，cowcatcher ；

[电工] commutator ；

[例句] 换向器和炭刷应无脂或其他污物. Commutator and brushes shall be free of grease, or other contaminants.

[例句] 使用欧姆计,检查在换向器之间电阻. Using an ohmmeter check the resistance between the segments of the commutator.

waterer，waterbowl，drinker，drinking bowl，drinking trough ；

[例句] 饲槽和饮水器位置合适可以提高成绩. Proper orientation of feeders and waterers promotes good performance.

[例句] 这个“鸟类饮水器”中水深的增加应该非常缓慢, 最深处不超过10厘米. The birdbath should deepen very gradually, to no more than 3.

[化] gen，rattle，producer，deviser ；

[例句] 偏心量型式的振动发生器锚固在台身上. The eccentric mass type vibration generators are bolted to the platform.

[例句] 燃气发生器能使高压输送系统增压. Gas generator rocket can pressurize a high - pressure feed system.

ejector，emitter，projector，launcher；

[例句] 他用微型声波发射器开启了门。 He activated the door with the miniature sonic transmitter.

[例句] 他最喜欢的还是那个俄制的火箭发射器,它可载40枚三米的火箭. His favourite gadget is a Russian - made rocket launcher which holds 40 three metre - long missilles.

filter，rejector ；

[例句] 起初我们着手研究的是看起来似乎最简单和最明显的滤波器. We started with what seemed the most simple and obvious filter.

[例句] 在适当条件下,多层膜还可作滤波器. Under appropriate conditions a multilayer may also be employed as a filter.

filter，leach，percolator，strainer ；

[例句] 这团凝固的污物堵塞了过滤器。 This congealed muck was interfering with the filter.

[例句] 过滤器无法过滤掉水中的所有污染物。 Filters do not remove all contaminants from water.

reactor ；

[例句] 将聚酯, 聚已酸乙稀酯从反应器中拿出来. The polyester , polythylene adipate, was removed from the reactor.

[例句] 那些催化剂用于小型管式反应器. Those catalysts are used in small tubular reactors.

deaf-aid，audiphone，hearing-aid，hearing aid，hearing aids ；

[例句] 把助听器调高一两个刻度就可以。 Just crank up your hearing aid a peg or two.

[例句] 听觉障碍者反映数字电话会对助听器造成干扰。 The hearing-impaired say digital phones interfere with hearing aids.