carriage lock screw拖: pull; drag; draw; haul板: board; plank; plate锁紧螺钉: lock-screw锁紧螺钉: lock screw; locking screw电枢锁紧螺钉: armature lock screw下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:拖板锁紧螺钉,即可在微信中查询翻译