Scientists often cannot date precisely archeological or prehistorical findings.科学家们常常不能精确地鉴定考古或史前期发现的日期.Remarkable achievements have been gained in archeological work in Tibet.文物考古工作成效卓著.SPIEGEL ONLINE: Could this affair...
Give the cardboard two or three coats of varnish to harden it.在纸板上涂两三层清漆使其变硬。You will need to apply three coats of varnish.需要刷三层清漆。Varnish the table with two or three coats of water-based varnish.给桌子上两到三层的水性清漆。...
Line canal is by make shoe, bushing, sieve tube , buckle the composition such as pipe nipple.衬管是由引鞋 、 套管 、 筛管 、 倒扣短节等组成.The adapter bushing and key may be different from illustration shown.适配器衬套和销键可能与图示不同.The grading cap...