A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTIONWhat is the effect of the CHECK OPTION clause?（）
In its simplest form the pressure reducing valve is opened or closed by （） which is balanced by the downstream pressure acting on a diaphragm.
“Any leaks in piping, propeller shaft, machinery, tanks, will have to be repaired, or at least patched up temporarily until the next stop” This sentence means that （）.
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
The FIRST course of action in fighting a fire in a cargo or fuel oil tank is to （）.
In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.
Prior to burning or welding on a fuel tank on a ship，regulations require that an inspection be made. An entry in the unofficial logbook is required if this inspection is made by（）.
If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.
In a trunk type diesel engine piston, the thickness of the head or crown is determined by the（） Ⅰ.statically balanced Ⅱ.heat dissipation requirement
（） system is arranged to ensure that water can be drawn from any tank or the sea and discharged to any other tank or the sea as required to trim the vessel.
Prior to backloading portable tanks or drums onto an offshore supply vessel，check that each tank is（）.
If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.
For the purpose of（）tank or hold washings from any vessel，an application shall be made to Harbor Authorities for approval.
Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
The （） or balance tank collects the re-circulated fuel oil.
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
If emergency welding repairs must be made to the upper area of a fuel tank, the tank and/or adjacent compartments may need to be （）
By balancing the items in a pair or a series so that they have the same kind of structure, you will make the sentence _______ .
By balancing the items in a pair or a series so that they have the same kind of structure, you will make the sentence_______ .
The author of Passage 1 asks the students to remember to regulate and balance their time because too much time online can mean little time in real-life studying or exercising or visiting with friends.
Standby or emergency diesel generator day tanks should always be kept full to reduce the possibility of__________.
In order to prove or disprove the balancing-act theory of whale migration, what question needs to be answered？
The statement of financial position is a summary of the balances remaining after the statement of profit or loss has been prepared.（)
If imports and exports are balanced, it is the job of the government to correct a deficit or adjust the trade policies. (Please judge the statement according to the information of lessen One. Choose “True” if you believe it is true or “False” if not.)()
