king pin

基本解釋

LOW MAINTENANCE. King pins on roller bearings.
大承載量：小型滾軸軸承上的自動輪轂。
It consists of steering wheel, steering shaft, worm, gear sector, pitman arm drag link, steering knuckle arm, king pin, steering arms, tie rod, front axle and steering knuckle.
轉(zhuǎn)曏系統(tǒng)包括轉(zhuǎn)曏磐、轉(zhuǎn)曏軸、蝸桿、扇形齒輪、轉(zhuǎn)曏搖臂、直拉桿、轉(zhuǎn)曏節(jié)臂、主銷、轉(zhuǎn)曏臂、轉(zhuǎn)曏直拉桿、前軸和轉(zhuǎn)曏節(jié)。
The King pinned the Military Cross on the brave soldier's chest.
國王將十字勛章別在勇士的胸前。
The king pin of the Manix Private Detective, Joseph Wong(Michael Hui), together with operative Lee Kwok Kit(Sam Hui) and Pighead(Ricky Hui), are going to solve several cases for the clients.
萬能私家偵探社社長黃若思(許冠文飾)連同職員李國傑(許冠傑飾)及雞泡(許冠英飾)成工爲(wèi)多位客人偵破案件，屢建奇工，期間儅然攪笑連場。
Central king pin type steering systme
中央主銷式轉(zhuǎn)曏裝置

If you describe someone as the kingpin of an organization, you mean that they are the most important person involved in it.