manually operated

基本解释

Prior to the advent of NC, all machine tools were manually operated and controlled.
之前，NC 的到來，所有機器工具手動運行和控制。
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Building valves - Manually operated copper alloy and stainless steel ball valves for potable water supply in buildings - Tests and requirements.
建築物用閥。建築物內飲用水給水用手動銅郃金和不鏽鋼球閥。試騐和要求。
This type of coordinate indexing is said to be manually operated, since the recording of the accession number onto the features card is done by hand.
這種類型組配被稱爲是人工操作的，因爲在特征卡上寫登記號是用手寫的。
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San Francisco remains the only place on the planet with a true, manually operated cable-car system serving the public.
NPR: San Francisco Cable Car Accidents Costs Millions
By the time she was 30, Al-Tunisi was modernizing the Abqaiq oil processing plant in part by replacing thousands of manually operated valves with electric ones.
FORBES: Magazine Article