帮忙解释下句中round的用法

题目

帮忙解释下句中round的用法
A:Could you send a technician round?
B:of course,I'll get one round this afternoon.
这俩句中的round具体是什么作用,是否是短语部分,如果是短语分别和哪个单词组成短语,短语何解,
我愚昧了，应该是附近的意思，

答案

send round固定搭配,例句如下：
Will you please send the notice round?
请你把这个通知发出去好吗?
We'll send someone along [round,over] to fetch it.
我们将派人来取.
If Silvester comes round here again I’ll send him packing!
如果西尔维斯特再来这里,这立刻叫他滚蛋!
I will leave the basket; you can send it round anytime.
我把篮子留着；你可在任何时候派人送来.
I'll send the maid round to carry it to your house.
我将派女仆把它送到你家去.
get round 也是
Get around or get round
回避；逃避,过困难
I'll get round to see you one of these days.
这几天里我会过来看你.
I'll try to get round to see your mother one day.
我尽量抽一点时间去看看你母亲.
Let's get one thing straight I give the orders round here,OK?
咱们得先弄清楚一件事－－在这儿得听我的,懂吗?
One such round.
一圈每个人都打出一张牌的一轮