ball-iron的意思|示意

Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.

黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。

But fruits of quality will never grow on an iron ball of pride. Do you know that?

但是，在傲慢的铁球上，是不可能萌生功德果实的，您知道吗？

Say rather that your little reasoning powers are awakening and that the simple explanation of the iron ball no longer satisfies them.

我想这不如说是你小小的理性思维能力在提高，让这种铁球的简单解释不能再令你信服了。

Suppose someone to place an iron ball on the table, then this ball will run straightway towards the magnet.

假设有人在桌子上摆一个铁球，那么这个铁球立刻就会朝着磁铁的方向滚动过去。

A well-aimed cannon ball could hit below its iron covering and sink it.

一枚炮弹准确地打在它的铁皮下面，并使战舰往下沉。

Only two types of irons were used during the feathery ball era, the sand iron with a large concave face and the rut iron which had a very small head.

在羽毛高尔夫球时代，仅有两种高尔夫球杆被使用，一种是带有大凹杆面的沙铁杆，另一种是杆头很小的。