常見例句雙語例句The track pulley series can be automatically adjusted, the basic configuration is suitable for 8#-22# steel i-beam.該系列的滑車輪距可自行調(diào)節(jié)，基本的出廠配置即可適用8#-22#工字鋼梁。Wire rope and assembly pulley on the flexible pumping units replace balance beam and connecting rod on regular pumping units.柔性抽油機(jī)結(jié)搆上使用鋼絲繩和滑輪組替代了常槼抽油機(jī)的遊梁和連桿。By crampon, lifting beam and pulley block as well as hoisting and mounting the bridge crane in parts, ensures safety and economy for the construction.採用錨鉤吊梁加滑輪組的方法，分部件吊裝橋機(jī)，可保障施工安全，節(jié)省費用。 返回 beam pulley