n. proping
... propineb甲代森锌 proping搭支架 propiolactone丙内酯 ...
基于58个网页-相关网页
碗扣式支架搭设 bowl buckle type support build-up
·2,447,543篇论文数据，部分数据来源于NoteExpress
型钢可缩性支架的缩动与否，取决于支架卡缆预紧力及搭接部分两端的内力。
Whether an u-steel yielding support could yield depend on the pre-screw forces of the camps and the internal forces of both ends at the u-steel overlap parts.
youdao
应用推荐
模块上移
模块下移
不移动