elevator test tower

structure designed to test elevators

en-US/ˈɛləˌveɪtɚ ˈtɛst ˈtaʊɚ/
en-GB/ˈɛlɪˌveɪtə ˈtɛst ˈtaʊə/

دسته بندی ها:

towertestbed