球形螺母，由顶头螺钉驱动的固定球形螺母，用于翻板和稳定器运动。

Ball nut, a fixed spherical nut driven by the jackscrew for flap and stabilizer movement.

youdao

压线螺钉的底部为特制的球形压线时不仅不伤导线，而且对导线具有足够大的挤压力，接触更可靠。

The bottom of crimping screw is spherical shape, which takes no damage over the conductor when crimping, and even brings big enough extrusion force over the conductor and have more reliable contact.

youdao

压线螺钉的底部为特制的球形压线时不仅不伤导线，而且对导线具有足够大的挤压力，接触更可靠。

The bottom of crimping screw is spherical shape, which takes no damage over the conductor when crimping, and even brings big enough extrusion force over the conductor and have more reliable contact.

youdao