这些合金可在不同的温度[热度]熔接.These alloys weld at different heats.我们用焊锡熔接管子.We fused the pipes with solders.在这样的高温下熔接钢铁需要快速.It takes speed to weld steel at this heat....
她家客厅一头是办公处，一头是舒适的沙发，真是两全其美。Her living room provides the best of both worlds, with an office at one end and comfortable sofas at the other.走了好久,他才踉踉跄跄地走进公司所设的临时办公处.He staggered at length into the rude company office.我们住在市...