Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.
1、There have been many（）in their marriag
There have been many（）in their marriage but they still love each other.Aright and wrongBback and forthCups and downsDright and left
2、On which type davit does the davit hea
On which type davit does the davit head stay at the same height?（）ARadialBSheath-screwCQuadrantalDGravity
You have many users complaining about slow inserts into a large table. While investigating the&...
4、How many life buoys have your ship bee
How many life buoys have your ship been exactly（）.Aproduced byBmet withCoffered ofDprovided with
5、How many times have I told you（）footba
How many times have I told you（）football on the street?Ado not playBnot to have playedCnot to playDnot your playing
6、While cranking out a quadrantal davit，
While cranking out a quadrantal davit，slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the（...