压力顶管施工时,一次最大顶进长度约50m。
参考答案:对
古书记录我国最早的一次日食发生在[ ]
A.夏朝
B.商朝
C.西周
D.东周
_________the warm and sunny weather, bananas grow very well in Hainan.
A.Next to
B.Such as
C.Instead of
D.Because of