弹簧张紧装置spring: n. 1.春季,春天。 2.青春;初期。 3.〔pl.〕 ...take: vt. (took; taken ) 1.(用手)拿,取 ...up: adv. (superl. uppermost ) 1. ...yarn take-up spring: 挑线簧take in up: 翘起来下载手机词典可随时随地查词查翻译