常見例句The strength and deflection of putlog as easy supporting girder, and the ledger is over and supported by putlog. 小橫桿按照簡支梁進行強度和撓度計算，大橫桿在小橫桿的上麪。The calculation of strength and deflection of ledger is based on the design of every three spans within two strides, and the main rail is over the putlog. 大橫桿按照三跨連續(xù)梁進行強度和撓度計算，大橫桿在小橫桿的上麪。putlog (put-lock) 腳手架小橫桿putlog hole 架眼 返回 putlog