查询词典 throw down

three-throw pump：三冲程泵

three-throw crank shaft 三连曲柄 | three-throw pump 三冲程泵 | three-time estimate 三种时间估计法

single-throw：单投

single throw switch 单掷开关 | single throw 单投 | single thrust bearing 单向推力轴承

single-throw：单掷

single-stud transformer 单短路线变换器 | single-throw 单掷 | single-throw circuit breaker 单掷断路器

single-throw：単投形(開閉器)

single-threaded worm ==> 单头螺纹蜗杆 | single-throw ==> 単投形(開閉器) | single-throw contact ==> 单掷接点

single-throw crank shaft：单拐曲轴

single-thread sewing machine 单线缝纫机 | single-throw crank shaft 单拐曲轴 | single-throw switch 单投开关

single-pole double-throw：单刀双投

single-pole circuit breaker 单极断路器 | single-pole double throw 单刀双投 | single-pole single throw 单刀单投

arm throw by elbow hold：握臂过背摔

arm the lead || 注兽脂入测深锤底部凹处(以便粘起泥沙等物, 从而探知海底情况) | arm throw by elbow hold || 握臂过背摔 | arm throw || 抓手过背摔

free throw percentage：罚球掷中率

field goal:投球掷中 | free throw percentage:罚球掷中率 | free throw:罚球

free throw lane：罚球区

foul shot 罚球 | free throw 罚球 | free throw lane 罚球区

free throw lane：边线 side line 罚球区

篮球 basketball 罚球线 free throw line | 边线 side line 罚球区 free throw lane | 中线 center line 三分线 three point line

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影