preloaded spring预: in advance; beforehand载: load; carry; hold弹簧: spring; mechanical spring承载弹簧: bearing ring; bearing spring初负载弹簧: vorlastfeder preload spring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:预载弹簧，即可在微信中查询翻译
