你可能感興趣的試題

In order to correctly open a new coil of manila line,you should（）.

A.pull the tagged end from the top of the coil
B.pull the tagged end through the eye of the coil
C.secure the outside end unroll the coil
D.unreel the coil from a spool

單項選擇題

In order to detect rot in manila lines,you should（）.

A.feel the surface of the line for broken fibers
B.measure the reduction in circumference of the line
C.observe any mildew on the outer surface
D.open the strands and examine the inner fibers

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

In order for combustion to occur inside a piping system such as a vapor collection header in a marine emmission control system , there must be（）.

你可能感興趣的試題

In order to correctly open a new coil of manila line,you should（）.

In order to detect rot in manila lines,you should（）.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精