挡土墙按其结构型式及受力特点划分,常见的挡土墙型式可分为重力式、半重力式、衡重式、悬臂式、扶壁式、()、锚定板式、加筋土挡土墙、板桩式及底下连续墙等。
参考答案:锚杆式
Originally introduced by Netscape Communications, (1) are a general mechanism which HTFP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (3) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .
A.Browsers
B.Cookies
C.Connections
D.Scripts
分子筛再生峰值温度偏低的原因有()。
A.吸附剂装填量偏低
B.分子筛再生气温度偏低
C.吸附剂使用周期长
D.再生质量差