1、Cut the main stem about 12 to 15 centimeters below the head.
在菜尖下方12- 15厘米處把主莖割斷就可以了。

2、The main stem of a blood vessel or nerve apart from the branches.
除分支外的大血管或大神經

3、The main stem will extend to around 12 ft, if left to develop naturally.
如果讓其自然生長，主干會延伸到12英尺左右。

4、The main stem of a blood vessel or nerve apart from the branches
除分支外的大血管或大神經

5、Finalleaf number on main stem could be a reliable measure for wheat vernalization response.
主莖總葉數(shù)的變化是量測小麥春化反應性的一個可靠指標。

6、The backup seal is secondary to the main stem seal assembly in the bonnet.
備用密封件是閥帽(12)內主閥桿密封組件(20)的二級密封。

7、Next to or facing the main stem or axis.
近莖軸一側的緊挨著主莖或軸的，面向主莖或軸的

main stem翻譯