shaft timbering信息详情
shaft timbering发音
意思翻译
竖井支护
相似词语短语
shaft───vt.欺骗;苛待;n.竖井;通风井;(电梯的)升降机井;杆,柄
timbering def───支护定义
diaphysis shaft───中间轴
timbering pdf───支架pdf
timbering kit───支架套件
timbering means───支护方式
timbering land───用材林地
mandrel shaft───心轴
timbering tools───支护工具
双语使用场景
英语使用场景
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