in-line needle valve

例句：

1. 1. Thein-line needle valve is used to prevent air leakage during the assembly process.
   直线型针阀用于在装配过程中防止空气泄漏。
2. 2. The in-line needle valve has been widely used in various industries due to its high efficiency and reliability.
   由于其高效性和可靠性，直线型针阀已被广泛应用于各种行业。
3. 3. The in-line needle valve is an essential component of the oil filter system, ensuring that the oil flows smoothly without any obstructions.
   直线型针阀是油滤系统的关键部件，确保油流畅无阻。