I took to pole-vaulting right away.

我马握了撑杆跳的技能。

7 Permanent weld backing bars, consumable inserts and nonconsumable insert rings are not permitted without prior written approval from SECCO.

事先没有赛科公司的书面批准，不允许有永久焊接的支撑杆、熔化性嵌条和不可熔嵌环。

An intelligent clothes rack is developed with a block installed on the end of each knighthead,around which steel wire is enwind and connected to a DC motor and the clothes rail.

智能晾衣的机械部分是在普通拉杆式晾衣两支撑杆的端部各安装一个滑轮,再穿入钢丝绳。