复数： expanders

Negative expander is an important component of lead-acid batteries .

负极膨胀剂是铅酸蓄电池的重要组成部分。

Shandong flio - pressure vessel , constant pressure expander .

压力容器、稳压膨胀器。

Relationship between the volume of expander and the infection rate .

扩张器容积与感染率的关系。

Check expander nuts and retaining clip on b-pillar for damage and replace if necessary .

检查b柱上的膨胀螺母和固定卡子是否损坏，如有必要，进行更换。

Check expander nuts and unclip and replace them if necessary .

检查膨胀螺母，如有必要，请拆下并更换。