呂良正

台中地區人工擋土柱開挖擋土支撐結構安全性研究 = = A study on excavation support safety of hand-dug retaining pile in Taichung / by: 林楨中; 呂良正 (Language materials, printed)

人工擋土柱施工安全指引 = = Construction safety guideline of handdug retaining pile / by: 林楨中; 呂良正 (Language materials, printed)