How does this verb conjugate?这个动词有哪些词形变化？Can you conjugate'to beat'in all its tenses?你列得出动词'beat'的所有时态变化 吗 ?The spans of the conjugate beam and actual beam must be equal.共轭梁和实际梁的跨径必须相似....
船舱建造成许多不漏水的隔间.The ship's hold is built in watertight compartments.管子工用铅 、 绳子或专用填隙材料使管子的接头不漏水.Plumbers caulk joints in pipe with lead, string or a caulking compound.我要装上不漏水的窗.I'll have watertight windows fixed....