- 相关词组
- borehole pump深井泵，钻井泵（一般为离心泵，悬挂在钻井内）;
- primary pump初始引液泵;起动注油泵;主泵
- profile type剖面形式
- primer fuel tube起动燃料管(发动机起动前加油用)
- android type男型;
- board type insulant板状绝热材料;
- primary nuclear fuel一次核燃料
- proper fuel合格的燃料
- propeller pump旋浆泵(流体流动与旋浆轴平行),轴流泵,离心泵
- proportional pump定量泵;比例泵
- product type of coal煤产品类型
- a type of一种类型的…;
- belt type water strainer带式滤水器;
- prominence of the sunspot type黑子日珥
- belt type bucket elevator斗式提升机;
- belt type concrete placer带式混凝土浇注机;
- proportioning pump配比泵,比例泵
- air pumpn.排气唧筒，抽气机;风泵;
- prognathous type前口式
- bivalent heat pump system带有两种热源的热泵系统;
- 今日热词
- 热门搜索
- drawback n.缺点，劣势;退税;
- so beautiful 如此美丽；如此漂亮;
- hometown n.家乡，故乡;“home town”的变体;
- disturbing adj.引起烦恼的;
- translation n.翻译;译文;转变;
- rainfall n.降雨量;下雨;
- modem n.调制解调器;
- Maine n.缅因州（美国东北角的州）;
- ambassadors n.大使( ambassador的名词复数 );（派驻联合国等国际组织的）代表;特使;[比喻]使者;
- christian dior 香水;化妆品;克里斯汀迪奥;克丽丝汀.迪奥;巴黎时装周
- sincerely adv.真诚地;诚恳地;谆;
- radiation n.辐射;放射物;辐射状;分散;
