oil tight

• n. 油封

oil tight的用法和样例：

例句

用作名词 (n.)

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. Apply a light film of engine oil on the vibration damper hub contact surface of the seal.
   在减震器毂油封接触表面上涂一层引擎机油薄膜。