allowable staybolt pitch拉: cut; slash; slit撑: prop up; support螺栓: bolt; screw bolt; threaded b ...许: praise用: 40分钟跑完全程 run the course in 4 ...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:拉撑螺栓许用节距,拉撑螺栓允许节距,即可在微信中查询翻译