查询词典 throw back

double pole mast：双杆轻便井架

double pole double throw 双刀双掷 | double pole mast 双杆轻便井架 | double pole single throw 双刀单掷

two-throw pump：二拐曲柄泵

二拐曲柄轴 two-throw crankshaft | 二拐曲柄泵 two-throw pump | 二路旋塞 two-way cock

two-throw switch：两掷开关

two-throw pump ==> 双吸泵 | two-throw switch ==> 两掷开关 | two-tier cambox ==> 双层三角座

triple-pole double throw：三刀双投

triple pole contactor 三极接触器 | triple pole double throw 三刀双投 | triple pole single throw 三刀单投

triple-pole single throw：三刀单投

triple pole double throw 三刀双投 | triple pole single throw 三刀单投 | triple pole switch 三刀开关

triple-pole single throw：三刀单掷

triple-pole double-throw ==> 三刀双掷 | triple-pole single throw ==> 三刀单掷 | triple-pole spacistor ==> 三极空间电荷晶体管

throw-over gear：转换机构

throw-off post 甩柱 | throw-over gear 转换机构 | throwaway bit 磨损报废的钻头

throw-over wheel：交替操纵轮

推出环(离合器) throw-out collar | 交替操纵轮 throw-over wheel | 推力 thrust

throw-over wheel：交替式操纵轮

throw-over switch 投掷 (式转换 )开关 | throw-over wheel 交替式操纵轮 | throwaway chip 不磨刃刀片

automatic throw-over：自动切换

自动节流阀 automatic throttle valve | 自动切换 automatic throw-over | 自动切换装置 automatic throw-over equipment

Camphorwood：香樟

camphor oil 樟脑油 | camphorwood 香樟 | camp process 水泥保护木柱法

platinum resistance thermometer sensor：铂热电阻

plateau,平台;坪 | platinum resistance thermometer sensor,铂热电阻 | playback apparatus,回放仪