main bearing

• 主轴承

main bearing的用法和样例：

例句

1. Oil may be forced out through the timing cover and rear-main bearing oil seals.
   机油会从正时齿轮盖和后主轴承油封处压出。
2. If all the main bearings are quite loose, a great deal more noise will be evident and the frequency will increase.
   如果所有的主轴承都很松动的话，大量的噪音就会很明显而且频率会增加。