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

<ruby id="9ymzh"><output id="9ymzh"></output></ruby>

<pre id="9ymzh"><strong id="9ymzh"></strong></pre>

單項選擇題

According to the customs of the port, hatch covers are to be operated by （）.

A.stevedores
B.watchmen
C.winchmen
D.foremen

你可能感興趣的試題

單項選擇題

（）lashing bar needs renewing.

A. The lost
B. The used
C. The deformed
D. The small

單項選擇題

Four （）are needed to work this heavy derrick.

A.winches
B.gears
C.windlass
D.cranes

<sup id="t5xsg"><legend id="t5xsg"><div id="t5xsg"></div></legend></sup>

<dl id="t5xsg"></dl>