免税品 free goods;
热门单词
- 伸缩
- 伸梁支架
- 伸缩三角架 extension tripod;
- 伸缩丝锥 {工} collapsible tap;
- 伸缩吊杆装置 lazyboy;
- 伸缩变换 stretching;
- 伸缩圈 expanding ring;
- 伸缩垫 expansion pad;
- 伸缩垫片 expansion washer;
- 伸缩垫圈 expansion bead;
- 伸缩垫盖 expansion pad cap;
- 伸缩套管天线杆 collapsible mast;
- 伸缩子 dilaton;
- 伸缩式
- 伸缩套管 telescopic line;
- 伸缩式减震器 telescopic damper;
- 伸缩式凿岩机 stoping drill; stoper;
- 伸缩式助卷机辊 retractable wrapper rolls;
- 伸缩式双层装载槽 {采矿} telescopic loading trough;
- 伸缩式套筒液压缸 telescoping hydaulic cylinder;
- 伸缩式接头 {土} slip joint;
