查询词典 pumping-back method

She sprinted for the line, legs pumping：她双腿紧蹬,奔向终点线

to move quickly up and down or in and out 快速上下(或内外)运动 V | She sprinted for the line, legs pumping. 她双腿紧蹬,奔向终点线. | My heart was pumping with excitement. 我激动得心里怦怦直跳.

Light Fire Appliance：轻型消防车

无积升降台 Jackless Snorkel 2 1 | 轻型消防车 Light Fire Appliance 2 0 | 轻型泵车 - 泵车类型 Light Pumping Appliance - Pumping Mode 11 1

Engine Pumping Machine：发动机打泵机安全操作规程

4. 发动机打泵机安全操作规程 Engine Pumping Machine | 5. 导管打泵机安全操作规程 Tube Pumping Machine | 6. 减速器压床安全操作规程 Pressing Machine for Reducer

method of self-activity：自动教学法

正误例证法 Method of right and wrong cases | 自动教学法 Method of self-activity | 教学法 Method of teaching; Teaching method; Method of instruction

planimeter method：求积仪法

05.344灌溉泵站测量irrigation pumping station survey | 05.345求积仪法planimeter method | 05.346方格法square method

back to back method：反馈法

back span 反向间隔 | back to back method 反馈法 | back up protection 后备保护

at the back of sth：作为某事的主使者

at sb.'s back (=at the back of sb.) 跟随某人; 支持某人 | at the back of sth. 作为某事的主使者 | be glad to see sb.'s back (= be glad to see the back of sb.) 巴不得某人离开; 希望摆脱某人

Scoot back. Back away：快退后,退后

It's OK. You've got to back away.|没事了,你必须退后 | Scoot back. Back away!|快退后,退后! | Back upfrom here. Back--|退到后面去,退后

back out bracket：后辅刃 back out 后内括弧形

后内直立旋转,单脚直立旋转 back in stand spin | 后辅刃 back out 后内括弧形 back out bracket | 后外变刃形 back out change

back：后卫

之后这些防守型的球员被正名为"后卫"(Back)或者"前卫"(Half Back). 随着橄榄球运动的愈加复杂,不同站位的后卫球员(指后卫站位和前锋线的距离)被细化为前卫(half back)、中后卫(three quarters back)和最后卫(full back).

steam trap valve：疏水阀

球阀 ball valve | 疏水阀 steam trap valve | 蛇管式换热器 serpentine type heat exchanger

aldermanship：市政官

aldermanry 议员 | aldermanship 市政官 | Alderney 乳牛