Their esophagus is large and tough and ends in a groove between the rumen and reticulum.
它们的食道即大又坚韧，终结于瘤胃与网胃之间的一个沟。
2
Large square table and base with coolant groove.
大方桌和冷却槽的基础。
3
Concerning the problem of measuring diameter and tolerance of large-sized jar sealing groove, the paper introduces a simple, practical and reliable type of measuring tool.