用: 40分钟跑完全程 run the course in 4 ...过: cross; pass的: 4次方是 The fourth power of 2 i ...设备: equipment; device; facility; ...租赁: rent; lease; hire设备的设计: equipment design必需的设备的供应: munitions用过的: outspent; second hand; secondhand; waste; we have a used computer for sale用过的成套生产设备: complete secondhand plant供氧设备的设计体系: standard guide for designing systems for oxygen service土地的租赁: lease of land物的租赁: locatio rei从未用过的: unused废的;用过的: outspent废水;用过的水: tail water废酸 用过的酸: spentacid刚使用过的: least recently used; leastrecentlyused未用过的: unused; virgin未用过的水: unused water未用过的油: unused oil用过的靶条: fired target用过的级: expended stage用过的空气: used air用过的口令: passwords used用过的球: used ball