bridle unitbridling equipmentcapstantakeuptake-up unittension bridletension devicetension geartension unittensionertensioning devicetensioning geartensioning systemtightening device张: fix; string紧: taut; tight装置: installation; device; appara ...链张紧装置: chain tensioning device出口张紧装置: delivery bridle; exit bridle; exit tension bridle下载手机词典可随时随地查词查翻译