A、Before
B、During
C、After
D、Within
更多“（）operation, any obstacles in the way of hatches must be removed and cleaned.”相关的问题
A、mine clearance operation B、towing operation C、dredging or surveying or underwater operation D、fishing
A、The Junos kernel is based on the Solaris operating system B、The Junos kernel is based on the GNU Zebra operating system C、The Junos kernel is completely original and not based on any other operating system D、The Junos kernel is based on the FreeBSD UNIX operating system
A、The Junos kernel is based on the Solaris operating sytem B、The Junos kernel is based on the GNU Zebra operating system C、The Junos kernel is completely original and not based on any other operating system D、The Junos kernel is based on the FreeBSD UNIX operating system
A、The Junos kernel is based on the Solaris operating system. B、The Junos kernel is based on the GNU Zebra operating system. C、The Junos kernel is completely original and not based on any other operating system. D、The Junos kernel is based on the FreeBSD UNIX operating system.
A、The LIKE operator cannot be used with single-row subqueries B、The NOT IN operator is equivalent to IS NULL with single-row subqueries C、=ANY and =ALL operators have the same functionality in multiple-row subqueries D、The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries
A、of a material harder than the cylinder liner B、properly lubricated C、prevented from compressing D、prevented from rotating during engine operation
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