查询词典 double-fault

double tongue grafting：重舌接

double tongue ==> 重舌 | double tongue grafting ==> 重舌接 | double torsion machine ==> 双列缠绕机,双列螺旋弹簧缠绕机

double day tide：隔日潮

double column 双纵队 | double day tide 隔日潮 | double drum winch 双筒绞车

double thrust bearing：双止推轴承

double shield bearing双(护)罩轴承 | double thrust bearing双止推轴承 | double-row angular contact ball bearing双列向心推力球轴承

double thrust bearing：双止推sunthai 轴承

79. double shield bearing双(护)罩sunthai 轴承 | 80. double thrust bearing双止推sunthai 轴承 | 81. double-row angular contact ball bearing双列向心推力球sunthai 轴承

double thrust bearing：对向止推轴承

double threaded screw 双纹螺丝 | double thrust bearing 对向止推轴承 | double tier net machine 双层式窗帘花边织机

double thrust bearing：对向推力轴承,对向止推轴承

double-threaded screw 双头螺旋 | double-thrust bearing 对向推力轴承,对向止推轴承 | double-wedge 菱形的,双楔形的

double finder telescope：双焦取景器

double filtration ==> 双重过滤 | double finder telescope ==> 双焦取景器 | double flange ==> 双凸缘

double tee iron：工字钢,丁字钢

double strapped joint || 双面盖板接头 | double tee iron || 工字钢,丁字钢 | double tempering || 两次回火

double taker-in：双刺毛辊(纺织)

双耳受话器 double tail-phone receiver | 双刺毛辊(纺织) double taker-in | 双榫 double tenon

double taker-in：双刺毛辊

"double tail-phone receiver","双耳受话器" | "double taker-in","双刺毛辊" | "double tenon","双榫"

mine-run coal：原煤

"mine resistance","通风阻力 ; 矿阻" | "mine-run coal","原煤" | "mine salting","矿石渗杂"

PA: Pennsylvania：美国宾夕法尼亚州州名

ancestry 祖先(集合称), 家系, 血统 | Pa. Pennsylvania 美国宾夕法尼亚州州名 | booster locomotive 辅助机车