单项选择题
A.Minerals Management Service B.Department of Energy C.Corps of Engineers D.A recognized classification society approved by the Coast Guard
A chain stripper is used to（）.A.prevent chain from clin...
单项选择题A chain stripper is used to（）.
A.prevent chain from clinging to the wildcat B.clean the marine debris from the chain C.flake chain from a boat's chain locker D.clean chain prior to an x-ray inspection
