control spindle造句

Housings are made waterproof by silicone or other elastomer O-rings at the crucial joints and where control spindles and pushbuttons pass through the housing.
It involved a Hunting Air Travel Vickers 639 Viking 1 ( registration : G-AHPD ) operating an international scheduled passenger flight from governor spindle, and due to the nut of the ball joint of the control spindle having been unscrewed by force.
It's difficult to find control spindle in a sentence. 用control spindle造句挺难的