A、type of cargo gear
B、instrument used in celestial navigation
C、instrument used to measure relative humidity
D、instrument used to measure specific gravity
更多“A sling psychrometer is a(n)（）.”相关的问题
A、seawater temperature B、engine temperature C、dry bulb and wet bulb temperatures D、barometric pressure
A、A.weather vane，wind vane or wind sock B、B.hydrometer C、C.hygrometer D、D.sling psychrometer
A、hydraulically operated pusher B、spread beam sling C、revolving roll clamping device D、platform sling
A、Put on the sling hooks. B、Put up the sling hooks. C、Put on the chain hooks. D、Put on the cargo runner.
A、Hydraulically operated pusher B、Spread beam sling C、Revolving roll clamping device D、Platform sling
A、A.increases the strength of the hook B、B.prevents the sling ring from coming out of the hook if the strain is abruptly eased C、C.prevents the sling ring from coming out of the hook if there is a strain on the sling ring D、D.All of the above
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