单词	ballast operation
释义	ballast operation 压载作业
随便看	CuteZIP cut fastball cut fastballs cut fibre cut file cut-fill cut filler cut fill section cut-fill section cut-fill subgrade cut-fill transition cut-fill transition diagram cut film cut film holder cut filter cut fine cutfit cut flake cut-flight conveyor screw cut-flight screw cut-flower cut flower cut flower garden cut flowers cut flush 不受苦中苦，难为人上人。不受苦中苦，难得甜上甜不可“以人为据” 不可一世，盛气凌人不可一日无此君不可一日近小人不可不信，不可全信不可不信，也不可全信不可不辩不可与言，而与之言，失言。钉梢钉糟木烂钉耙钉螺钉补黑白的钉锤钉鞋钉鞋钉马掌钉齿耙