- 相关词组
- precision rotary microtome精密手摇切片机
- preselecting rotary line switch旋转式预选寻线机,旋转式预选机(自动电话)
- port circulating pump港口循环泵
- breast pumpn.抽乳器，吸乳器;
- port pump停泊泵
- petrol pump加油泵;
- air lift pump空气升液泵;
- pregreasing pump预润滑泵
- pump into注入，灌输;
- portable electric pump手提式电动泵
- pressure-compensated pump压力补偿式泵
- pump up唧送;打气;泵送;
- pressure gear pump压力齿轮泵
- power tire pump动力泵
- pressure oil pump压油泵
- pressure pump压力泵
- bivalent heat pump system带有两种热源的热泵系统;
- charge pump电荷泵；加料泵，供给泵，充油泵
- fuel pump燃油泵;
- air water heat pump空气水热力泵;
- 今日热词
- 热门搜索
- walnut n.胡桃（树）;胡桃木;胡桃木色;
- expire vi.期满;文件、协议等（因到期而）失效;断气;逝世;
- close to you 接近你;
- expense n.开销;费用;业务费;
- chairman n.主席;主持人;总裁;
- pool n.水池;石油层;（液体等的）一滩;共同储金;赌注;vi.使形成池塘或水洼;淤积;合伙经营;采（煤等）;
- packet n.小包;信息包;邮船;大笔款项;vt.包装，打包;用邮船运送;
- swallow vt.& vi.吞，咽;忍耐，忍受;vt.不流露;<口>忍受，轻信;
- asleep adj.睡着的;休眠的;麻木的;已死的;adv.熟睡地;处于麻木不仁的状态;长眠;
- taught v.教( teach的过去式和过去分词 );教书;训练;教育;
- Japan Videos 日本视频
- roller n.滚筒;滚压机;定型卷夹，塑料发卷;巨浪;
