Microtremor measurement has been increasingly adopted to assess site amplification and S - wave velocity profile at sites. 微地动量测正逐渐地被应用在场址放大效应的评估,以及剪力波速剖面之推求上.
使用陶制的活栓,认为是不够安全的.The use of stoneware cocks is not considered to be safe enough.医生关掉小活栓.The doctor shut off the petcock.该小活栓适用于连接内径为6mm的橡胶管.This petcock is suitable to connect the rubber pipes with the inside diameter of...