This is a gauge to inspect whether the diameterofhole is larger than the specified MML or not , and this shall pass through the overall length of hole without any difficulty.
本量规用于检查孔的直径是否大于被规定的最大实体尺寸，要能够轻易的通过孔的全长。
2
Generally, the size of the hole should be about two-thirds the diameterof the pumpkin.
一般来说，这个洞的直径大约为南瓜直径的三分之二左右。
3
Last month the Washington University surgeons drilled a small burr hole, about the diameterof a pencil, into the patient's skull.