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Single acting, single rod, spring return.
单作用,单杆,弹簧复位。
youdao
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This engine resembled present single-acting gas and oil engines.
这台发动机类似目前的单作用煤气和重油发动机。
youdao
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This engine resembled present single-acting gas and oil engines.
这台发动机类似目前的单作用煤气和重油发动机。
youdao