pneumatic injection

丝锁气压计_馆档网 ... "胶合板"," Plywood" "气压法"," Pneumatic injection" "呼吸根"," Pneumatophores" ...

injection... ... optical injection (激光)光学注入 pneumatic injection 风动喷射, 气力喷射 preparatory injection 起敏性注射 ...