A、A.An air receiver
B、B.An operating valve
C、C.An automatic valve
D、D.An air distributor
更多“（） is usually driven by the engine camshaft and supplies pilot air to the cylinder air start valve.”相关的问题
A、A. These hatches are usually driven by electric or hydraulic power. B、B. These hatch covers are usually driven by electric or hydraulic power. C、C. These hatch covers are usually driven by electric. D、D. These hatch covers are usually driven by hydraulic power.
A、A.an engine-driven；as well B、B.an engine-driven；has an independent pump C、C.an independent；as well D、D.an independent；has an engine-driven pump
A、A.gear drive by the engine B、B.driven by an exhaust gas turbine C、C.driven by a camshaft D、D.driven by separate motor
A、A. Dry cargo is usually stowed in the hold. B、B. Dry cargo is usually stowed at the hatch. C、C. Wet cargo is usually stowed in the hold.
A、a non-power driven vessel B、a sailing vessel C、a power driven vessel D、a power driven vessel or a non-power driven vessel
A、The work of opening and closing hatches is usually done by crew members. B、The work of opening and closing hatch covers is usually done by crew members. C、The work of opening hatch covers is usually done by crew members. D、The work of closing hatch covers is usually done by crew members.
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