plastic guide meaning in English

塑料导向器

Plastic guide pin
塑料管导针
The check valve poppet assembly shall be guided via the use of a corrosion resistant plastic guide
止回阀的提升架总成应该通过耐腐蚀塑料导轨引导。
Road equipment . permanent means of guiding traffic . plastic guide vane devices for signalling for signalling divergent roads : characteristics and specifications
道路设备.指导交通的常用方式.岔路信号用塑料导向器叶片装置:特性和规范